Senior Management Team

Jonathan M. Niloff, MD, FACOG, FRCS, FACS, FACPE

Founder, Chief Medical Officer and Chairman of the Board
Founder, Chairman and Chief Medical Officer, Dr. Niloff is also an Associate Professor of Obstetrics, Gynecology, and Reproductive Biology at Harvard Medical School. Prior to joining MedVentive, he served as President of the Beth Israel Deaconess Physicians Organization, Medical Director for Obstetrics and Gynecology for its Affiliated Physicians Group, and Chief of Gynecology at New England Deaconess Hospital. He has deep expertise in all aspects of medical cost and quality improvement, and has published extensively on the topic of gynecologic oncology including the development of the CA125 test for ovarian cancer. He received his undergraduate education at The Johns Hopkins University, an MD degree from McGill University, and an MBA degree from Boston University.

Nancy J. Ham

President & CEO
Nancy Ham has a proven track record of innovative and high-energy leadership in establishing, developing, growing, and operating both private and public healthcare information technology companies. As President & CEO, she is responsible for the overall performance and strategic direction of the company, as well as managing MedVentive's day-to-day business operations. Most recently, she served as president of Sentillion, Inc., a leading innovator of identity and access management solutions for more than 350,000 caregivers practicing at over 500 hospitals. Prior to Sentillion, she was president of ProxyMed, Inc., the industry's second-largest independent medical claims clearinghouse with connectivity to more than 450,000 providers, 30,000 pharmacies, 500 laboratories, and more than 1,500 payers. Before ProxyMed, she was responsible for managing more than $50 million in revenue as general manager of institutional and connectivity service Healtheon/WebMD Corporation. Additionally, she served as SVP, Business Development and CFO at ActaMed Corporation and spent five years in leveraged finance at GE Capital. She holds a BA in economics from Duke University and a Masters in International Business Studies (MIBS) from the University of South Carolina.

Nancy G. Brown

Chief Growth Officer
Nancy  Brown has more than 25 years of experience in clinical research and automating clinical information systems, combining management, consulting and information technology skills.  At MedVentive, she is responsible for leading sales, marketing and business development efforts.  Previously, she served as Senior Vice President of Corporate Development of athenahealth and was responsible for identifying opportunities that drive growth and operational improvements.  She also held the position of Senior Vice President of Clinical Service Development and spearheaded the creation of athenahealth’s clinical product line.  Prior to joining athenahealth in 2004, she was a senior vice president at McKesson Corporation, focused on marketing and strategic planning.  She joined McKesson in 1999 when it acquired a company she co-founded, Abaton.com, a provider of internet-based clinical solutions for the ambulatory market.  Earlier, she spent eight years at Harvard Community Health Plan where she held several senior management roles. Brown earned a BS at the University of New Hampshire, and an MBA from Northeastern University.

Mark Collins

Chief Financial Officer
Mark Collins joined MedVentive in 2003. He provides the financial oversight and guidance to ensure the company’s financial health. He has more than 20 years of progressive finance experience in the healthcare and technology industries. He spent 13 years at Blue Cross/Blue Shield of Massachusetts in a variety of finance positions, the last as the senior manager responsible for self-insured accounting and reporting. He also has prior experience as a Comptroller at InfoMedtrics and Physician Web Link. He has a BS in accountancy from Bentley College and an MBA from Suffolk University.

Michael F. DeSimone

Vice President Business Development
Mike DeSimone joined MedVentive in 2010. He is responsible for providing the strategy, direction, and management of business partnerships and channel distribution for the organization. He also explores and develops relationships to provide innovative solutions within the healthcare industry. He has been in the healthcare and benefit informatics business for 20 years working for national and international organizations such as IMS Health and Assurant Benefits. Most recently, he was Director of Payer Solutions at IMS where he was responsible for data acquisition and strategic partnerships. He has a BA in Economics from Merrimack College and an MA in Economics from the Whittemore School of Business & Economics at the University of New Hampshire.

Susan Goldstein

Vice President, Client Services
Susan Goldstein comes to MedVentive with an extensive background in healthcare including 20 years of experience in the care management arena. As VP of Client Services, she is responsible for understanding the unique requirements of each customer and helping optimize their investment and partnership with MedVentive. She spent the early years of her career within the provider community, including multiple positions with the Henry Ford Health System and Lovelace Medical Group. More recently, she worked with national and regional payers such as Aetna and Blue Cross Blue Shield of Massachusetts, where she worked closely with clinical decision makers, using evidence-based medicine to develop cutting edge tools to help increase quality of care while reducing costs. She holds a Masters in Public Health from the University of Massachusetts and a BS from Northeastern University.