Board of Directors

John D. Rhodes, III, M.D., F.A.C.C.

Chairman of the Board

Dr. John D. Rhodes III is Chairman of the Board of Humaitrix.

A retired interventional and clinical cardiologist, Dr. Rhodes is the founding investor in Texas Roadhouse restaurants, Glyphics Communications, and several other privately held technology companies, as well as commercial and residential real estate development. An accomplished venture capital investor, Dr. Rhodes has developed a reputation for his pragmatic business insights and his ability to develop executive leaders. In addition to his role as Chairman of Humaitrix, Dr. Rhodes is Managing Partner of Signature Green Properties and has served as a director for Beacon Enterprises Solutions Group and Confluent Technologies Inc. Dr. Rhodes graduated University of Louisville School of Medicine MD.

Mark Page


Mark is an experienced business executive and financial advisor with more than twenty-five years of experience overseeing finance functions. He also serves as board member and officer for several small and mid-market businesses.

Prior to starting his own businesses and advising other companies, Mark was a Senior Manager with Ernst & Young. During this time, he participated in more than forty completed mergers and acquisitions across manufacturing, construction, wholesale, real estate, banking, and defense contracting.


John J. Leehy, III


John Leehy is the Chief Executive Officer of Humaitrix. With more than three decades of outstanding leadership and entrepreneurial success, Mr. Leehy brings both passion and expertise to the Humaitrix team. Throughout his career, he has built industry leading financial services and payment technology companies, all marked by outstanding growth and financial success. As co-founder, Chairman, President, and CEO of Payment Alliance International (PAI), Mr. Leehy led PAI’s emergence as the nation’s largest privately held provider of Automated Teller Machines (ATMs) serving nearly 80,000 locations throughout the United States.

Mr. Leehy served as Chairman and CEO of Financial Alliance Processing Services, CEO of Confluent Technologies, and led First Data Corporation’s Merchant Services and Risk Services Divisions. Most recently, Leehy was Managing Director of Resource Alliance Partners, a venture services firm providing growth capital and business expertise to early stage companies across the nation.

Recognized for his strategic vision, relentless execution, and the ability to build strong and highly engaged leadership teams, Leehy was named 2018 EY Entrepreneur of the Year (East Central Region), and in 2017 received the ATM Industry Champion Award from the ATMIA. He has served as President of the ATMIA, Chairman of the Electronic Funds Transfer Association, and is currently a Director of Green Technologies Environmental Coatings. Leehy earned a Bachelor of Science degree from the University of Nebraska at Kearney where in 2013 he was named a Distinguished Alumni.

Amy Walraven


Amy Walraven is the President, Chief Strategy Officer and Founder of Humaitrix.

With more than twenty years of expertise identifying, assessing, targeting, and resolving fraud and credit risk issues, Amy has pioneered advancements in the detection of first party fraud schemes including credit bust outs and organized syndicated fraud activity. Her forensic analytics on several major criminal synthetic identity cases makes her an industry leader in understanding the characteristics and transactional patterns associated with first party fraud schemes.

A career risk manager, Amy has developed and implemented scoring models and clustering algorithms to detect organized fraudulent activity at every point of customer engagement. Her cutting-edge solutions have helped mitigate identity risk throughout the customer lifecycle and are leveraged to enhance Know-Your-Customer (KYC) and Anti-Money Laundering (AML) controls.

Prior to founding Humaitrix, Amy was the Vice President of Identity Risk Management for Consumer and Business Banking at JP Morgan Chase. Previous to her work at JP Morgan Chase, she was the Senior Personal Bank Officer at MBNA America.

Amy is a recognized subject matter expert regarding first party fraud and is a regular panelist and presenter at industry conferences and webinars, sharing her expertise with prominent risk associations as well as government agencies such as the Federal Reserve and Government Accountability Office (GAO). Amy earned a bachelor’s degree in Business Management and Resource Economics, and a Master of Science in Business Management and Human Resources.


Greg Sahrmann


Greg Sahrmann is the Chief Operating Officer of Humaitrix, bringing with him more than thirty years of experience building highly successful companies.

Before joining Humaitrix, Greg founded and was Managing Director of Resource Alliance Partners, an investment firm that provided capital and professional expertise to early stage companies looking to accelerate growth.

Prior to Resource Alliance Partners, Greg cofounded two highly successfully companies in the payment and financial technologies industries: Payment Alliance International, the largest privately held ATM company in the U.S. with over 80,000 ATMs in the U.S. and Financial Alliance, one of the first and largest full service bankcard processing companies.

His experience also includes running National Processing Company’s payment processing business and Norwest Bank’s Service Group. Greg has an MBA and Bachelor of Science in Civil Engineering from the University of Missouri.