Leadership Team


Patrick O'Connor, MAI

Founder, Director

Pat is a thirty year real estate professional and entrepreneur who has also founded O'Connor & Associates, the largest property tax appeal company in the United States. Pat is also an accomplished author who has written several books on real estate valuation and commercial real estate Big Data. Pat graduated from Harvard Business School with a Master of Business Administration.

Tim Koltermann

Chief Executive Officer

Tim is a twenty-five year veteran of the capital markets and commercial real estate industry. Prior to Enriched Data, Tim was CEO of Walker & Dunlop Commercial Property Funding as well as holding senior positions on Wall Street with Bear Stearns, JP Morgan and Merrill Lynch. Tim graduated from The Booth School of Business at the University of Chicago where he earned a Master of Business Administration.

Michael L. Miller, MAI

Chief Revenue Officer, Director

Mike is a thirty year veteran of commercial real estate valuation, appraisal and consultation roles. Mike is also co-author of Enriched Data's CARS Application. Mike is considered among the leaders of commercial real estate big data and valuation in the United States. Mike graduated from the University of Texas with a specialization in Real Estate.

Ryan Lin, MAI

Chief of Product Development

Ryan has been involved in the valuation and consultation of real estate for over fifteen years. He is considered a leading commercial real estate big data developer in the United States. Ryan is Co-Author of Enriched Data's CARS application. Ryan is a graduate of the University of Texas.