PCa Blue Board of Directors

John Lupton, IV

John Lupton represents individual and corporate clients in connection with investigations and enforcement actions by the Securities and Exchange Commission (SEC), Department of Justice (DOJ), the Financial Industry Regulatory Authority (FINRA), state attorneys general and state regulatory agencies. A member of the Securities & Derivatives Enforcement and Regulatory, and White Collar: Government Litigation & Investigations practices, John has handled matters involving, among other things, alleged securities fraud; the Financial Institutions Reform, Recovery, and Enforcement Act (FIRREA); the Foreign Corrupt Practices Act (FCPA); investment adviser misconduct and broker-dealer misconduct.

In addition to his work on regulatory enforcement matters, John has significant experience conducting internal investigations. He also has experience counseling clients on a wide range of FCPA and anti-corruption compliance issues and has helped design and implement global compliance programs.

Recent representations include:

  • Representation of an individual in SEC and FINRA enforcement actions concerning Puerto Rico closed-end funds.
  • Representation of a wholesale broker-dealer and its employee in fraud investigations by the SEC, FINRA and a state securities agency.
  • Representation of a major investment bank, as well as certain current and former employees, in RMBS-related investigations by the SEC, state attorneys general and the DOJ, Civil Division.
  • Representation of a registered investment adviser in an SEC investigation of alleged violations of the Investment Advisers Act of 1940.


Guy Thomson, Secretary

For more than 23 years, Guy Thomson led Proof of the Pudding through a period of growth and development that has resulted in Proof’s current position as Atlanta’s premier “Upscale Foodservice Management” company. As the managing partner, Thomson began his tenure when Proof was a small boutique caterer with just one exclusive contract, The Carter Presidential Center. Today, Proof had become a more varied, full service food management company specializing in off premise catering; exclusive contracts in business, convention, sports, concert, and resort venues; an airport kiosk food concept; and a Gourmet to Go division that provides creative culinary products to go.

Thomson is also the owner of Atlanta’s oldest restaurant, Pittypat’s Porch, an authentic, southern-themed 300 seat restaurant located in the heart of downtown Atlanta.

Prior to joining Proof of the Pudding, Thomson served as the senior vice president of the Georgia Hospitality and Travel Association (GHTA), the trade association representing Georgia’s food service, lodging and travel industries and related businesses. Thomson moved to Atlanta in 1977 as general manager for Victoria Station Restaurants, a California-based specialty restaurant chain.

Guy is an avid golfer and an active Member of the Ansley Golf Club. He and his wife, Deb, a successful retail executive, live in the East Cobb section of Marietta GA. They have two grown children, and spend as much time as they can at their beach home at Fripp Island, South Carolina.

Mark Williams, Treasurer

Mark Williams brings 32 years of experience to the Board of PCa Blue in international and commercial banking as well as real estate construction and development. Mr. Williams is actively involved in bringing photonic businesses to market and identifying prospective strategic purchasers for a boutique investment banking firm. He has provided management consulting services to various industries including manufacturing, bio-pharma and IT services.

Mr. Williams is an avid golfer and a member of Baltusrol Golf Club in New Jersey and the Royal and Ancient Golf Club of St. Andrews. He received a BA from Franklin and Marshall College. Married to the former Dana Dowd, the Williamses live in new Jersey.

John M. Lupton, III


John M. Lupton founded PCa Blue and was the organization’s first CEO. He brought extensive experience in marketing, advertising and promotions as well as a life-long participation in politics to the formation of PCa Blue. John was a prostate cancer survivor and lost his battle to cancer to a sarcoma in his lungs March 30, 2017.

Prior to the formation of PCa Blue, Mr. Lupton co-founded the National Prostate Cancer Awareness Foundation, was Director of Development and Fundraising at Us TOO International, the oldest and largest prostate cancer education and support network in the world, and Executive Director of Ed Randall’s Fans for the Cure. Through his experiences in the prostate cancer field, John learned the importance of increasing the education and awareness about the risks and dangers of prostate cancer to men and their loved ones, even before they might be diagnosed.