Our Team

Prior to BitSight, Tim has served as the Chief Financial Officer of ObsEva, a biotech focused on women’s health with two of its three assets in late stage development since January 2017. Tim led ObsEva’s IPO in January 2017 plus additional public financings raising more than $225 million. Prior to ObsEva Tim served as the Chief Financial Officer of Demandware, Inc. which was sold to salesforce for over $3 billion. Before Demandware, Tim was the Chief Financial Officer of athenahealth, Inc.

Tim is currently a member of the board of directors and Chairman of the Audit Committee of Model N, a public revenue management solutions company and Prevail Therapeutics a public gene therapy company. Tim is also on the Board of Trustees for the Murray State University Foundation where he has a bachelor’s degree. Tim received his M.B.A. from Boston University.

Mark is the Chief Customer Officer overseeing Bitsight's Customer Acquisition, Retention and Customer Success initiatives. He has over 25 years of Sales and Sales Leadership experience building global technology companies, both in the public and private markets. Most recently, Mark was the Chief Revenue Officer at Tangoe, an enterprise expense management software company.

Paige Esser is the Chief People Officer at BitSight. In this role, she is responsible for overseeing the company's human resources function, and ensures the best practices in the management of talent acquisition, engagement, compensation, diversity equity and inclusion, learning and professional development and employee relations.

Prior to joining BitSight, Ms. Esser was the Managing Director of Talent Acquisition and Management at Goodwin, a top global law firm. Previously, she was the Vice President of Human Resources for the Asset Management division of Fidelity Investments, a leading provider of investment management, retirement planning, portfolio guidance, brokerage, benefits outsourcing, and other financial products. Prior to that, she was the Director of People Strategy for Sapient Corporation in Washington, D.C., and held positions of increasing responsibility for Deloitte Consulting in Boston and Los Angeles. and for the CSC Index in Cambridge, Massachusetts.

Ms. Esser received her Bachelor of Science degree in Education from the University of Maine, Orono.

John leads the engineering, data and research teams at BitSight. He has fifteen years of experience in the information security industry and was instrumental in building the early versions of BitSight’s security ratings platform. Previously, John worked as a security researcher at MIT Lincoln Laboratory. He holds a BS from Johns Hopkins and MS from Carnegie Mellon.

Vanessa is the VP and GM of BitSight's Third Party Risk Management line of business. She has spent more than a decade in product management and leadership roles at startups focused on data-driven solutions that transform how people work. Vanessa holds a Master's degree in Predictive Analytics from Northwestern University, and an undergraduate degree in Political Science from Rutgers University.