Defy’s Boards

Defy has a Governing Board and Local Boards for each of its Chapters. Each volunteer group consists of committed executives, entrepreneurs, business professionals, academics, and philanthropists.


Henry Hamilton, III
  • Houston, TX – Chairman
    Hank is the Chairman of TGS, which provides global geoscientific data products and services to the oil and gas industry to assist with licensing rounds and the preparation of regional data programs. Hank began his career as a Geophysicist with Shell Offshore (1981-1987) before he moved to Schlumberger (1987-1995) where he ultimately held the position of VP and General Manager for all seismic product lines in North and South America. Hank joined TGS as its CEO in 1995 and remained in the position following the 1998 merger with NOPEC International that created the initial public listing for TGS. Hank served on the Board of Directors for the International Association of Geophysical Contractors (IAGC) from 1993-2011 and serves on the board of the Society of Exploration Geophysics (SEG) Foundation.

Brian Korb
  • New York, NY – Secretary
    Brian is currently a Founder of Swellbox, a consumer solution for managing digital health records. Prior to Swellbox, Brian was a Co-Founder of Glocap, an 80+ person tech-enabled recruiting platform for the alternative asset space, where he was Head of Strategy and Head of the Private Equity practice.  Brian has been an invited expert guest on CNBC and Reuters, as well as an invited speaker at Harvard and Wharton business schools.  Prior to Glocap, Brian worked in investment banking at DMG. Brian has a B.S. in Economics from The Wharton School of the University of Pennsylvania.
Harry Krensky
  • New York, NY
    Harry Krensky is a managing partner of Discovery Americas. Mr. Krensky is a founder and director of ULCC airline Volaris. Mr. Krensky also sits on the board of directors of transportation companies Lipu and FTM, education company AMCO International, and healthcare company H+/Sisi Medica; and is a member of the Board of Trustees of Colby College. He was a founder of emerging market hedge fund managers Discovery Capital Management and Atlas Capital Management; and was a founder of the Deustsche Bank emerging market hedge fund. He has worked in the emerging market group of Bear Stearns; and has served as an adjunct professor of international business at New York University’s Stern School of Business. Mr. Krensky has a BA from Colby College, a master’s degree from the London School of Economics and Political Science and a MBA from the Columbia University Graduate School of Business.
Joanne Simpson
  • Alexandria, VA
    A board-certified dermatologist and founder and managing partner of Alexandria Associates in Dermatology, Joanne received her medical degree (M.D.) from the Wake Forest University School of Medicine. She completed her dermatology training at the University of Pittsburgh and also holds a Bachelor of Science (B.S.) from Duke University as well as a Master of Public Health (MPH) from The Johns Hopkins Bloomberg School of Public Health, where she pursued an interest in clinical research and epidemiology. Joanne enjoys encouraging people to dream big and motivating then to reach their goals. Defy Ventures embodies her passion for entrepreneurship and helping others overcome real and perceived obstacles.
Monica Thurmond
  • New York, NY
    A partner at Paul, Weiss, Rifkind, Wharton & Garrison LLP in the Corporate Department and member of the Capital Markets and Securities Group, Monica has represented issuers in capital markets and leveraged finance transactions, including IPOs and high yield debt offerings. Monica has represented both issuers and investment banking firms in a variety of public and private equity and debt securities offerings, including initial public offerings, as well as high yield and convertible debt offerings. She also represents private equity sponsors and their portfolio companies in a variety of other engagements such as leveraged acquisitions, structured exchange offers, debt and equity tender offers, first and second lien senior secured debt financings, high yield bridge financings and consent solicitations. Monica has also counseled companies in disclosure and corporate governance matters. In 2012, Monica was recognized by Legal 500 for her work in capital markets, including debt offerings, equity offerings, and high-yield debt offerings.