Our Team

Our Team

Richard J. DiGeronimo, MAI, SRPA, AI-GRS

President & Founder

Richard J. DiGeronimo, MAI, SRPA, AI-GRS is President and Founder of R.D. Geronimo LTD. (1985), a multifaceted organization providing professional real estate advisory services on a regional basis.  These services include real estate appraising, consulting, marketing and planning, which is augmented by a trained staff

Ari Dirielyan

Senior Vice President
Certified General Real Estate Appraiser

Ari Dirielyan graduated from Pennsylvania State University in 1999, where he received his Bachelor of Science in Accounting. Upon graduation Ari was employed with DoubleClick Inc., the worlds largest Internet advertising firm, as a staff accountant. Within his time of employment with DoubleClick Inc., Mr. Dirielyan was promoted to Accounts Receivable Manager of the company’s technology group.

Paul Thorschmidt

Senior Vice President
Certified General Real Estate Appraiser

Paul Thorschmidt graduated from State University of New York at Oneonta in 1994. He received a Bachelor of Science in Business Economics with a dual minor in Accounting and Finance. Paul began his career at MSC Industrial Supply company, a leading direct marketer and distributor of industrial tools and supplies, as a Sales/Purchasing Analyst. Paul was quickly recognized for his analytical ability and team spirit and was promoted to Inventory Manager to oversee a staff of five and over $40 million in inventory.

Stuart Greenfield

Senior Vice President
Certified General Real Estate Appraiser

Stuart Greenfield started his real estate appraisal career in 2004. He has experience performing appraisals and consulting services on a variety of property types including shopping centers, office buildings, existing and proposed residential condominiums and rental apartment buildings, mixed-use properties, industrial properties, vacant land, air rights and has been extensively involved in the analysis of large portfolios of properties located in the New York metropolitan area and throughout the country. Assignments have been completed for an extensive array of owner/developers, REITS, pension funds, insurance companies and commercial and investment banks throughout the nation.

Certified General Real Estate Appraiser

Mohsen Amin-Nayeri

Mohsen Amin-Nayeri graduated from City University of New York - Queens College in 2015, where he received a Bachelor of Science with minor in Economics. Mohsen also received his Bachelor of Science in Civil Engineering in 2001 and is a New York State licensed real estate salesperson.

Eric M. Pantelic, MAI

Senior and Certified General Real Estate Appraiser

Eric Pantelic real estate career began in 2002 appraising real property with Mid-Atlantic Appraisal, based out of New Jersey.  Eric subsequently worked for twelve years as a staff appraiser with Albert Valuation Group, a New York City appraisal firm. 

David W. Berger

Senior Valuation Consultant and
Certified General Real Estate Appraiser

David Berger’s real estate career began in 1993 appraising real property with a variety of real estate appraisal and consulting firms including Rogers & Taylor Appraisers, Inc., and Berger & Associates Appraisers, LLC.  Mr. Berger worked for five years as a senior real estate analyst with CB Richard Ellis, one of the largest appraisal firms in the nation. Mr. Berger is a partner at Berger & Associates Appraisers, LLC and currently performs consulting services for R.D. Geronimo Ltd.

Tatiana Calle

Valuation Consultant and
Certified General Real Estate Appraiser

Tatiana Calle graduated from Monmouth University in 2003, where she received a Bachelor’s of Science in Business Administration with concentrations in Marketing and Economics. Tatiana also received her Master’s in Business Administration with a concentration in Project Management and is a New York State licensed real estate salesperson.

Lia Chen

Research Analyst and
Special Projects Coordinator

Lia Chen is a Master of Business Administration graduate with dual concentration in Business Analytics and Marketing from Hofstra University's Frank G. Zarb School of Business in 2016. Lia began her professional career at R.D. Geronimo Ltd. as a research analyst, providing research and technology support to the executive and appraisal team.