Management
Keystone Dental is proud to have these outstanding professionals as members of our executive management team.
- Daniel Levangie
- President, CEO
- Mark Oppenheim
- Chief Financial Officer
- Eileen Maus
- Chief Commercial Officer
- Tom Barrett
- Senior Vice President of Business Development
- Dan Bracco
- Senior Vice President of Quality Assurance and Regulatory Affairs
- Richard Heaslip
- Senior Vice President of International Operations

Daniel Levangie
President and Chief Executive Officer
Before joining Keystone Dental, Dan Levangie was most recently Managing Partner of Constitution Medical Investors, Inc. Prior to that he served as President, Surgical Products Division, and as Executive Vice President and member of the Board of Directors of Cytyc Corporation from July 2006 through October 2007, when Cytyc Corporation was acquired by Hologic, Inc.
Dan is a member of the Board of Directors of Dune Medical Devices Ltd., HyperMed, Inc. and ev3, Inc. In addition, he serves on the advisory board of the Barnett Institute at Northeastern University and as a Trustee of Excel Academy Charter School.

Mark Oppenheim
Chief Financial Officer
Before joining Keystone Dental, Mark held the position of Vice President of Finance & Sales Administration at Hologic and Cytyc. His previous experience includes financial management, business development and sales operations positions at Moduslink, Genuity and Xedia. He began his career at the public accounting firm, Arthur Andersen & Co.
He is a graduate of Babson College in Wellesley, MA, and holds a Bachelor of Science degree in Accounting.
Eileen Maus
Chief Commercial Officer
Before coming to Keystone Dental, Eileen Maus was most recently the Chief Commercial Officer for Constitution Medical Investors (CMI). As a senior executive in the healthcare industry, she has a wealth of experience in sales and marketing including 12 years at Cytyc Corporation where she held a variety of positions in sales leadership and marketing.
Eileen has a special interest in consumer healthcare marketing and her campaigns have won many industry awards.

Tom Barrett
Senior Vice President of Business Development
Before he joined Keystone Dental, Tom held the position of Senior Vice President of Operations for Orthopedics and Endoscopy at Accelent Corporation. He also worked for Stryker Corporation for thirteen years, holding positions of increasing responsibility, including Vice President of Operations.
Tom has a degree in Mechanical Engineering from Union College, Schenectady, NY, and an MBA from Harvard Business School, Cambridge, MA.

Dan Bracco
Senior Vice President of Quality Assurance and Regulatory Affairs
Dan has 30 years of experience in the Medical Device industry where he has primarily focused in the areas of Quality Assurance, Regulatory Affairs and Clinical Affairs. Before joining Keystone Dental, he held various positions in the Quality, Regulatory and Clinical areas at Pfizer, CR Bard, Cytyc/Hologic and Oxford Immunotec. He is also an adjunct professor at Regis College where he teaches Clinical Research Methods and currently holds a position on the FDA’s Hematology and Pathology panel.
Dan has degrees in Marketing and Mechanical Engineering and is completing a Masters Degree in Regulatory Affairs at San Diego State University.
Richard Heaslip
Senior Vice President of International Operations
Prior to joining Keystone Dental, Richard was most recently Vice President of Emerging Markets for Kyphon, Inc. Prior to that, he held key positions with Otsuka Pharmaceuticals that included Research and Development, Business Development, and Marketing and Sales Management.
Richard holds an Honors Biochemistry degree from Trinity College, Dublin, Ireland, and an MBA from Oxford University, Oxford, England.