Welcome to Who’s Who of Top Executives
The Marquis Who’s Who Top Professionals series recognizes outstanding listees in their specific fields. Our features contain biographical details of professionals that have achieved a high level of recognition and achievement in their chosen profession.

Teresa Ethridge
Title: Chief Executive Officer Company: HumanityCenter4Change Location: Hemet, California, United States Teresa Ethridge, chief executive officer at HumanityCenter4Change, has been recognized by Marquis Who’s Who

Thiruchelvan Ratnapuri
Title: Social Impact Architect Company: Collective Global Impact Location: Herndon, Virginia, United States Thiruchelvan Ratnapuri, Social Impact Architect at Collective Global Impact, has been recognized

Gerald L. Gitner
Title: Owner and Chairperson Company: D.G. Associates Inc. Location: Boynton Beach, Florida, United States Gerald L. Gitner, Owner and Chairperson at D.G. Associates Inc., has

Mitchell T. Horn, DBA
Title: 1) Chief Financial Officer; 2) Budget Officer Company: 1) WM Partners, LP; 2) New Jersey Air National Guard Location: Madison, New Jersey, United States

Tyrone K. Clark, PhD
Title: Retired Administrative Management Specialist Company: U.S. Department of Agriculture Location: Bemidji, Minnesota, United States Tyrone K. Clark, PhD, Retired Administrative Management Specialist at the

Francois M. de Visscher
Title: 1) Founder and President; 2) Co-Founder and Executive Chair Company: 1) de Visscher Advisors; 2) Family Office Direct Investment Services Location: Stamford, Connecticut, United

Adam Pittman
Title: President Company: Computerbilities Location: Cary, North Carolina, United States Adam Pittman, President at Computerbilities, has been recognized by Marquis Who’s Who Top Executives for

Ronnie Palmer
Title: Drug and Alcohol Counselor Company: Alhambra Valley Retreat Location: Pittsburg, California, United States Ronnie Palmer, Drug and Alcohol Counselor at Alhambra Valley Retreat, has
