Michael S Geltzeiler bought HYPD once, on Dec 17, 2025

Michael S. Geltzeiler is a seasoned finance executive serving as an Independent Director at Eyenovia, Inc. since November 2023 and as Director at Hyperion DeFi, Inc. (HYPD).( He holds additional board positions including Co-Chairman at Madison Square Boys & Girls Clubs, Treasurer and Director at NYSE Euronext Foundation, Inc. since 2011, Director at the Museum of American Finance, and Trustee at the University of Delaware since 2014.(

Geltzeiler's career highlights include roles as Chief Financial Officer and Executive Vice President at NYSE Euronext from 2008 to 2009, where he led through significant growth and a proposed merger,( CFO and Senior Vice President at ADT Security Corp. from 2014 to 2016,( President of School & Educational Services at Trusted Media Brands, Inc. (formerly Reader’s Digest Association) from 2001 to 2009,( and CFO at ACNielsen Corp. in 2001.( He began his career at Dun & Bradstreet Corp. holding various finance positions.( Geltzeiler earned a bachelor's degree in accounting from the University of Delaware in 1980 and an MBA in finance from New York University's Stern School of Business.(

Written by Perplexity from public sources.