Douglas D. Piirto, PhD

Title: 1) Owner and Consulting Forester; 2) Professor and Department HeadCompany: 1) Crestline Forestry Inc. and Piirto Farm Ltd.; 2) California Polytechnic State UniversityLocation: Hobart, Wisconsin, United States Douglas D. Piirto, PhD, owner and consulting forester at Crestline Forestry Inc., has been recognized by Marquis Who’s Who Top Business Owners for dedication, achievements and leadership […]

John Anthony Todhunter, PhD

Title: President Company: SRS International Location: Alexandria, Virginia, United States John Anthony Todhunter, PhD, president at SRS International, has been recognized by Marquis Who’s Who Top Business Owners for dedication, achievements, and leadership in pharmaceutical product regulation. Building on nearly 50 years of experience, Dr. Todhunter has served as the president of SRS International since […]

 Kurt Hughes

Title: Owner and Architect Company: Kurt Hughes Sailing Designs Location: Seattle, Washington, United States Kurt Hughes, owner and architect at Kurt Hughes Sailing Designs, has been recognized by Marquis Who’s Who Top Business Owners for dedication, achievements, and leadership in architectural design. Mr. Hughes embarked on his educational journey with a bachelor’s degree in architecture […]

Trevor Castor

Title: President and Chief Executive Officer Company: Aphios Corporation Location: Arlington, Massachusetts, United States Trevor Castor, president and chief executive officer at Aphios Corporation, has been recognized by Marquis Who’s Who Top Business Owners for dedication, achievements, and leadership in health care. Dr. Castor’s academic journey commenced with a solid foundation in engineering, culminating in […]

George Belham

Title: Founder and Principal Company: Great American Holdings Location: Orlando, Florida, United States George Belham, Founder and Principal of Great American Holdings, has been recognized by Marquis Who’s Who Top Business Owners for dedication, achievements, and leadership in real estate investment and development. With decades of professional experience to his credit, Mr. Belham has found […]