Tunnell Consultants work as a team. Together we integrate our skills, methodologies, knowledge, and experience to give our clients the right team for the right project, combining the best of our people to create the most sustainable long-term solutions. Joseph S. Tempio, Ph.D. President and CEO Conrad J. Heilman, Jr., Ph.D. Senior Vice President/ Life Sciences Strategy Leader Mark R. Schroeder Senior Vice President/ Government Services Strategy Leader Joseph J. Villafranca, Ph.D. Senior Vice President / Operations Joseph A. Hare CFO / Treasurer Maria V. Butz Vice President / Human Resources Marian Preston Corporate Secretary Frank Ecock Special Advisor Alex Giaquinto, Ph.D. Special Advisor Dwight Porter, Ph.D. Special Advisor Susan C. Devane Managing Director, Key Accounts Siddharth J. Advant, Ph.D. Principal William D. Connell Principal Christopher S. Driscoll Principal Ted Shoneck Principal Bill Schmidt Principal Ronald D. Snee, Ph.D. Principal John S. Tegeris, Ph.D. Principal J. Jaime Velez Principal Rick A. Winegar Principal / Managing Director