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Realtor, Appraiser and Home Inspector online and live courses for license qualification or continuing education

Meet Our Instructors

Columbia instructors have extensive experience as appraisers and educators. Faculty slogan is "If the student failed to learn, the instructor failed to teach."

Interested in Teaching and/or Writing for Us? Let Us Know!


Real Estate, Appraisal and Home Inspection Continuing Education Courses Bernerd Boarnet, AQB Certified USPAP Instructor
New Braunfels, TX
b.boarnet@columbiainstitute.org

Boarnet is a graduate of Texas A&M University with a degree in Engineering and has had extensive experience in both engineering and real estate. He began his appraisal career in 1985 and is now a Texas State Certified General Appraiser, AQB-certified USPAP instructor and real estate broker. He has conducted appraisals throughout south-central Texas on a variety of types of real property. He is a member of the National and Texas Associations of Realtors© and has earned the designation Master Senior Appraiser from the National Association of Master Appraisers. He is also a member of the Association of Texas Appraisers, holding the designation ATA-G.

Boarnet is a retired US Army Reserve Officer and it was there that he began his teaching career teaching at the Command and General Staff School level in the 1970s. He has taught both pre-license and continuing education appraisal courses for several schools and associations and has lectured on behalf of Columbia throughout the United States. Like most of the Columbia Faculty members, he enjoys teaching because he feels that in doing so he is giving something back to the profession.

He and his wife Esther, an active real estate broker, live in the San Antonio suburb of New Braunfels.

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Real Estate, Appraisal and Home Inspection Continuing Education Courses Amelia Brown, AQB Certified USPAP Instructor
Olive Branch, MS
a.brown@columbiainstitute.org

Brown has been involved in the real estate game in one aspect or another for most of her life. Her company was founded by her late father, Jesse Lovorn, in the late seventies-a company that continues to provide both appraisal and sales services in the tri-state area surrounding Memphis, Tennessee. She specializes in residential real estate. She is both a certified residential appraiser and a Realtor, who has served for many years on her local Realtor board. She also holds a degree in business from the University of Memphis and is a certified USPAP instructor.

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Real Estate, Appraisal and Home Inspection Continuing Education Courses Charles D. Clark, AQB Certified USPAP Instructor
Virginia Beach, VA
d.clark@columbiainstitute.org

Clark has been President of Clark Realty Services, Inc., a woman-owned firm doing business in Virginia and North Carolina, since 1990. A Certified Real Estate Appraisers, Clark specializes in residential properties, one to four family units, environmental, as well as unusual or unique, complex properties and properties with history of problems or stigma.

He received an Associate's Degree from St. Leo College, St. Leo, Florida.

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Real Estate, Appraisal and Home Inspection Continuing Education Courses Bobby Crisp, AQB Certified USPAP Instructor
Schertz, TX
b.crisp@columbiainstitute.org

Bobby Crisp is the owner of Crisp Appraisal Service located in Schertz, Texas (just northeast of San Antonio). He holds the certified residential certification from the State of Texas. He is certified to teach the Uniform Standards of Professional Appraisal Practice (USPAP) by the Appraiser Qualifications Board (AQB) of the Appraisal Foundation and has taught a variety of appraisal courses (qualifying and continuing education) for the past eight years.

He is a member of the Association of Texas Appraisers (ATA) and has been awarded their designation for residential appraisers. He is currently on the Board of Directors and serving as President of ATA. He is an approved FHA appraiser on the Lender Selection Roster and is an approved Fee Appraiser for the VA. He is a member of the Texas Association of Realtors (TAR), National Association of Realtors (NAR), Texas Real Estate Commission (TREC) and has been member of several appraisal organizations. He has received specialized training through George Leonard School of Real Estate, Lincoln Graduate Center, Appraisal Institute, and Texas A&M University. He holds a Bachelor of Science degree from Western States University.

Mr. Crisp is married with three children and five grandchildren. His hobbies are playing guitar, collecting sports memorabilia, and watching sports.

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Richard DeHeer Richard DeHeer
Knoxville, IA
r.deheer@columbiainstitute.org

DeHeer is president of DeHeer & Associates, LLC in Knoxville, IA. He is a certified general appraiser and also holds a real estate brokers license. He obtained an associates degree in Agricultural Business and worked in the grain elevator business 10 years before going into the real estate business 22 year ago.

He is a past National President of the National Association of Master Appraisers (NAMA) and served on NAMA's National Board of Directors for 5 years. Additionally, he is past President of the Iowa Chapter of NAMA and served on its board for 3 years. DeHeer also served as NAMA's representative on The Appraisal Foundation Advisory Council (TAFAC) for 3 years and was a spokesman for NAMA with the Appraisal Foundation for 4 years. He served for 2 years on the Iowa Appraisal License board and 3 years on its Disciplinary Committee.

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John Dorie John Dorie
Dallas, TX
j.dorie@columbiainstitute.org

John Dorie is owner of Dorie Appraisal Services covering the DFW Metroplex area and Dorie Real Estate, a residential brokerage and commercial Real Estate management company. Dorie holds a Certified Residential Appraisal designation in Texas as well as a Real Estate Broker license and Real Estate Instructor designations from the Texas Real Estate Commission.

After graduating from Southern Methodist University, Dorie began his real estate career selling 'starter homes' in the Dallas suburbs. He has also been involved with commercial leasing and sales, retail development, and presently owns and manages residential houses and a retail shopping center. Dorie has been an appraiser for over 10 years and currently is a Senior Staff Review Valuation Appraiser for a major national lender.

Dorie has taught in several business disciplines for over 20 years and presently limits the classes to Real Estate and Appraisal qualifying and continuing education courses.

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Real Estate, Appraisal and Home Inspection Continuing Education Courses Lloyd George English, AQB Certified USPAP Instructor
Houston, TX
l.english@columbiainstitute.org

Lloyd George English is a Texas certified residential appraiser. His appraisal designations include, Certified Real Estate Appraiser (CREA), Master Residential Appraiser (MRA), Certified Valuation Consultant (CVC), Employee Relocation Council (ERC), and Certified FHA appraiser. He is a Texas real estate broker with Graduate Realtor Institute (GRI), Accredited Buyer Representative (ABR), Senior Real Estate Specialist (SRES), and e-PRO real estate designations. Other accomplishments include dispute resolution mediator, Texas property tax arbitrator, mortgage loan officer and FEMA disaster property inspector.

With over 20-years in the real estate industry, Lloyd has a multi-faceted background, which has provided him with an exceptional well-rounded career with notable talents and credentials. He has taught at the grade school, junior college, and university levels. He is certified by the Texas Real Estate Commission in real estate education as an instructor, AQB Certified Uniform Standards of Professional Appraisal Practice (USPAP) Instructor, and is endowed with the coveted Certified Real Estate Instructor (CREI) designation. His formal education includes a Bachelor in Mathematics and a Master of Business Administration.

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Real Estate, Appraisal and Home Inspection Continuing Education Courses Edmond "Ted" Fisher, AQB Certified USPAP Instructor
Davenport, IA
t.fisher@columbiainstitute.org

Fisher, a certified general appraiser in Iowa and Illinois, is a graduate of the University of Idaho. Owner/Appraiser of Roy R. Fisher, in Davenport, Iowa, Fisher has over 40 years of experience as a fee appraiser. He is an AQB Certified USPAP Instructor and holds the Senior Residential Appraiser (SRA) Senior Real Estate Analyst (SREA) and Member Appraisal Institute (MAI) designations from the Appraisal Institute and Master Senior Appraiser (MSA) designation from the National Association of Master Appraisers.

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Real Estate, Appraisal and Home Inspection Continuing Education Courses Ken Guilfoyle, AQB Certified USPAP Instructor
Oneida, NY
k.guilfoyle@columbiainstitute.org

Ken is a Certified General Real Estate Appraiser and is designated as a member of the NAIFA and NAR Appraisers Section. He earned his Master's Degree in Business Management from Webster University in St. Louis Mo. and has been appraising various types of residential and commercial properties throughout the Midwest for over 20 years.

As a member of the faculty at the Belleville Area Community College, he has taught Real Estate Appraisal courses for 10 years. Ken was an active participant in the implementation of the National USPAP course sponsored by the Appraisal Foundation and was a member of the Task Force that formulated the FHA Upgrade Testing requirements.

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Real Estate, Appraisal and Home Inspection Continuing Education Courses George Harrison, AQB Certified USPAP Instructor
San Antonio, TX
george@columbiainstitute.org

George R. Harrison, Ph.D., MAA, CDEI is president and founder of Columbia and co-founder and first president of NAA. He has had extensive experience in several aspects of real estate to include finance, consulting development, appraisal and education. He founded Columbia in 1992 to serve the appraisal community and has conducted educational programs throughout the US, in Canada, Russia and Bulgaria. He has authored three books on appraisal topics and one on environmental analysis; and has authored more than thirty papers on related subjects. Two of his books have been translated into Russian. He is a Fellow of the American Society of Real Estate (1986). He is known for his expertise in appraisal quality control and management, being a co-founder of the Accredited Review Appraiser's Council and having been awarded designations of Certified Review Appraiser (National Association of Review Appraisers) and Accredited Senior Appraiser with a specialty in appraisal review (American Society of Appraisers). He has also been awarded designations in environmental analysis and represented the Environmental Assessment Association at the Envirotek 1995 in Moscow.

He was the first appraiser Realtor® member of NAR through the San Antonio Board and holds degrees in economics from the University of Texas at Austin and the California Miramar University (Formerly Pacific Western University of Los Angeles). He has received specialized training through American College, New York University, Lincoln Graduate Center and Texas A&M University.

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Real Estate, Appraisal and Home Inspection Continuing Education Courses Samuel Henderson, AQB Certified USPAP Instructor
Hyattsville, MD
s.henderson@columbiainstitute.org

With over 38 years of teaching experience, Dr. Samuel Henderson, B.S., M.U.S.E., C.A.G.S., Ed.D., G.R.I., C.R.B., D.R.E.I. has a long and successful teaching record of outstanding accomplishments in the discipline of mathematics, physics, engineering, computer systems, real estate, appraisal, property management, finance, home inspections, pre-license, post- licensing and continuing education. Currently, he serves as a Board of Trustee member and is an Appraiser Qualification Board (AQB) certified instructor of the Appraisal Foundation. A member of the Maryland Association of Appraisers, he is a certified general appraisal, home inspector, property manager, real estate consultant, expert witness, and a REALTOR. Henderson's unique expertise in the real estate business comes as a direct result of being the Owner/Operator of S. Henderson Realty Services, LLC and Henderson Professional Development Seminars, a DC Real Estate school. He has been awarded several awards for excellence in education including; the Marvin Deane's Excellence in Education Award. Henderson is among the few real estate educators who earned the prestigious Distinguished Real Estate Instructor (D.R.E.I.) designation from the Real Estate Educator Association.

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Real Estate, Appraisal and Home Inspection Continuing Education Courses Robert Hetrick, AQB Certified USPAP Instructor
San Antonio, TX
r.hetrick@columbiainstitute.org

Bob Hetrick earned a BBA degree from Texas Tech University in 1964 with a specialty in real estate and finance. With the exception of his service as an Army officer in Vietnam he has been involved in real estate activities throughout south Texas, both as a national bank examiner and loan officer, real estate broker; and as a real estate appraiser.

In the early 1990s he served as an environmental specialist and appraisal reviewer for Travis Savings and Loan in San Antonio. Subsequently, he was associated with the Maxwell Company as a commercial and residential appraiser until 1997 when he became associated with the Columbia Institute.

Since 1997 he has been associated with Columbia primarily teaching USPAP, Eminent Domain and Building Construction courses throughout the nation. He also is an independent appraiser and environmental site assessor working in the South and Southwest Texas market specializing in residential, commercial and eminent domain assignments. He has conducted environmental site assessments, as well as other related site analyses, throughout south Texas, and has extensive experience in forensics as an expert witness. Bob is also a past president of South Texas Chapter of the International Right of Way Association.

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Real Estate, Appraisal and Home Inspection Continuing Education Courses Diana Jacob, AQB Certified USPAP Instructor
Hillsboro, TX
d.jacob@columbiainstitute.org

Diana T. Jacob has been involved in real property appraisal since 1990. She holds the certified general certification from the states of North Carolina, Georgia and Texas and residential certification from the state of Louisiana. She has actively practiced appraising in both North Carolina and Louisiana. She is certified to teach the Uniform Standards of Professional Appraisal Practice (USPAP) by the Appraiser Qualifications Board (AQB) of the Appraisal Foundation and has taught a variety of appraisal courses throughout the US for several schools and associations.

She is well known as a prominent appraisal instructor and author, beginning with financial analysis of income-producing properties in 1990 and developing into land and residential subjects. She currently teaches both qualifying and continuing education courses and has had authored more than twenty-five formal publications including papers, course curriculum and texts. Her most recent and comprehensive writing is the Appraisers' Desk Reference, Volume 1 - Completing the URAR, which is published by the Columbia Institute and provides step-by-step guidance, including recommended comments for both FHA and conventional appraisals. She has been a member of the Senior Faculty of Columbia Institute since 2004.

She resides with her husband, Hal Tidwell, on their cattle ranch near Hillsboro, Texas.

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Real Estate, Appraisal and Home Inspection Continuing Education Courses Mark Loftus, AQB Certified USPAP Instructor
Austin, TX
m.loftus@columbiainstitute.org

Mark Loftus is a state certified residential real estate appraiser, an AQB Certified USPAP Instructor, and a forensic appraisal reviewer. Until May, 2012, Mark was a full-time appraiser/investigator for the Texas Appraiser Licensing and Certification Board (TALCB). During his five years at the Board, he investigated and closed hundreds of regulatory complaints, and worked on criminal mortgage fraud cases with local, state, and federal law enforcement. Mark has served as a consulting expert in several federal mortgage fraud cases, and has been the testifying expert in a number of regulatory cases before the State Office of Administrative Hearings.

Prior to his work with TALCB, Mark was a residential fee appraiser and state-licensed real estate broker for his own firm, Fairlane Properties, LLC.

Experience prior to the real estate professions includes paint contracting, restaurant management and six years active duty in the U.S. Navy on a nuclear submarine, and an amphibious assault ship.

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Real Estate, Appraisal and Home Inspection Continuing Education Courses Martin Molloy, AQB Certified USPAP Instructor
Albuquerque, NM
m.molloy@columbiainstitute.org

Martin J. Molloy entered the appraisal profession in 1971 with Joseph Blake & Associates in New York at their main office. He has Certified General Certificates from New Mexico, Arizona and Nevada. He holds an ASA Real Property Urban Designation for the American Society of Appraisers and has been President of the New Mexico Chapter three times. His education includes several undergraduate and graduate degrees.

He has been teaching the appraisal program at the University of New Mexico since 1991. He also teaches undergraduate and graduate courses at the College of Santa Fe since the mid 1990's. These courses include economics, finance, and accounting. Marty has owned Molloy & Associates since the mid-70's, located in Albuquerque, New Mexico which conducts both residential and commercial appraisals. He has been recognized as an expert witness in various local and federal courts.

His interests include being a public affairs officer with the Coast Guard Auxilliary, boating, model railroading, trap and skeet shooting and various hobbies.

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Real Estate, Appraisal and Home Inspection Continuing Education Courses Roy Morris, III, AQB Certified USPAP Instructor
Scottsdale, AZ
r.morris@columbiainstitute.org

Roy Morris has been an instructor of qualifying and continuing education including USPAP for over 15 years. In addition to serving on the Appraisal Foundation as a trustee and the Appraisal Foundation Advisory Council, he was an investigator for his state appraisal board.

Roy Morris has been an expert witness on USPAP as well as real estate valuation issues in three states.

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Real Estate, Appraisal and Home Inspection Continuing Education Courses Joseph Portera, AQB Certified USPAP Instructor
Montgomery, TX
j.portera@columbiainstitute.org

Joe Portera is the President of Guardian Appraisal Services, LLC and owner of Texas Realty Services. He holds the certified general real estate Appraiser certification from the State of Texas. He is certified to teach the Uniform Standards of Professional Appraisal Practice (USPAP) by the Appraiser Qualifications Board (AQB) of the Appraisal Foundation. He holds a Bachelor of Science degree in Chemistry.

He is a member of the National Association of Real Estate Appraisers holding designations as Certified Real Estate Appraiser (CREA), Certified Valuation Consultant (CVC), and Designated by the National Association of Master Appraisers as a Master Senior Appraiser (MSA). Employee Relocation Council (ERC) has confers Mr. Portera as an ERC Trained Appraiser. Joe is an approved FHA appraiser on the Lender Selection Roster. He is a member of the Texas Association of Realtors (TAR), National Association of Realtors (NAR), and Houston Association of Realtors (HAR). He has received specialized training in Real Estate Appraisal through the Lincoln Graduate Center, the Appraisal Institute, and The Columbia Institute.

Joe has been involved in real estate since 1983, beginning in the title and escrow industry, then as a real estate broker, property tax consultant, and independent fee appraiser. His teaching experience dates back to 1991 as an instructor in Residential Appraisal, Real Estate Principles, Real Estate Math, Law of Agency, and Residential Inspection. He teaches courses on: Basic Appraisal Principles, Basic Appraisal Procedures, Advanced Residential Applications, Statistics, Modeling, & Finance, Mortgage Fraud, Residential Report Writing, Marshall & Swift Cost Approach, Uniform Standards of Professional Appraisal Practice, Appraisal Review, Investment Analysis, Financial Analysis of Income Properties, Direct Capitalization, Yield Capitalization, and Writing the Narrative Report.

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Real Estate, Appraisal and Home Inspection Continuing Education Courses Bryan S. Reynolds, AQB Certified USPAP Instructor
Owensboro, KY
b.reynolds@columbiainstitute.org

Reynolds, a Kentucky Certified General Appraiser, is the owner of Reynolds Appraisal Service located in Owensboro, Kentucky. He has extensive experience in the western Kentucky area, primarily in the appraisal of 1-4 family dwellings, small income producing properties, hobby farms and vacant land. He has been a FHA appraiser on the Lender Selection Roster and formerly the fee panel for the past ten years. He provides litigation support and has served as an expert witness in various courts. He has also appraised various properties in Illinois and served on the Appraisal Committee of the Illinois Mortgage Bankers Association. Reynolds has assisted in the development of continuing education course material and has instructed appraisal classes throughout the country.

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Real Estate, Appraisal and Home Inspection Continuing Education Courses Greg Reynolds
McKinney, TX
g.reynolds@columbiainstitute.org

Greg Reynolds is a Certified Residential Appraiser in the state of Texas and is SVP of Orisyn Research, Inc., a national review appraisal management company based in north Texas and Philadelphia, PA. He earned his BS in Management from The University of Texas @ Dallas and his MS in Economics from Texas A&M University in Commerce. He began appraising real property in 1987 and has owned a residential appraisal firm, served as Chief Appraiser for LandSafe Appraisal Services, and teaches Real Estate Appraisal, Real Estate Finance, Macro/Micro Economics at the collegiate level, and continuing education courses for The Columbia Institute.

Greg has begun work on his PhD in Economics at The University of Texas @ Dallas and expects to complete his PhD in 2011.

Greg has been married to his wife Teresa for 23 years and currently resides in Van Alstyne, TX. They are the proud parents of 2 children and very soon to be 1 granddaughter. When not at work Greg enjoys all types of sporting activities including TaeKwonDo (black belt), golf, water-skiing, and basketball

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Real Estate, Appraisal and Home Inspection Continuing Education Courses Robert "Rookie" Robinson
Houston, TX 
r.robinson@columbiainstitute.org

Robinson, a Houston, Texas resident, is a Texas certified general appraiser, real estate broker, certified environmental inspector and lead base paint inspector. Robinson received his Bachelors degree in Business Administration from Texas Southern University in Houston. He is s member of the National Society of Real Estate Appraisers, General Accredited Appraiser with the National Association of Realtors and an Affiliate Member of the National Association of Review Appraisers.

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Real Estate, Appraisal and Home Inspection Continuing Education Courses Richard Vannatta, AQB Certified USPAP Instructor
Columbus, OH
r.vannatta@columbiainstitute.org

Richard M. Vannatta, R/W-AC, SR/WA, ASA, Real Property Urban and MTS, is an active participant in the Real Estate and Personal Property appraisal community. He is past Treasurer and Vice President of his ASA Chapter and served two terms as its President. He is a member of IRWA Chapter 13's Professional Development Committee and served as chapter Vice President and President and he is President of Vannatta Brothers of Columbus, Ohio. He started his professional career as a licensed real estate sales agent in 1970 and began his appraisal career in 1972. Since that time, his interests have included site development aspects of the real estate business and land investments. His appraisal practice specializes in various types of judicial or problem-solving matters such as bankruptcy, divorce, probate, end-lease negotiations, and appropriation/condemnation. He also teaches appraisal courses and is an AQB Certified USPAP Instructor. Mr. Vannatta believes his activities in sales, acquisitions; and land development have benefited him as an appraiser, and instructor because they help to keep him in-tune with market participants' perceptions of market conditions, trends, and preferences.

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