Leadership Team

Mathematica is led by a dynamic team of nationally recognized experts who are deeply committed to our mission of improving public well-being. Collaborating closely with clients, partners, and colleagues, we are shaping an equitable and just world where evidence drives decision making for global impact.

Executive Team

Paul Decker

Paul Decker

President and Chief Executive Officer

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Adam Coyne

Adam Coyne

Senior Vice President; Chief Administrative Officer

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Jill Constantine

Jill Constantine

Senior Vice President; General Manager, Human Services

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Christopher  Trenholm

Christopher Trenholm

Senior Vice President; General Manager, Health

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Jill Albanese

Jill Albanese

Senior Vice President; Chief Human Resources Officer

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Alison Barger

Alison Barger

Senior Vice President; Chief Financial Officer

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Akira Bell

Akira Bell

Senior Vice President; Chief Information Officer

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Lisa Schwartz

Lisa Schwartz

Senior Vice President; Chief Business Officer

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Senior Leadership

Tamara Barnes

Tamara Barnes

Vice President; General Counsel; Corporate Secretary

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Dawnavan Davis

Dawnavan Davis

Vice President, Chief Equity and Inclusion Officer

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Jennifer de Vallance

Jennifer de Vallance

Vice President; Director of Public Affairs

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Andrea DiGregorio

Andrea DiGregorio

Vice President; Director of Accounting Operations

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Susanne  James-Burdumy

Susanne James-Burdumy

Vice President, Business Development & Client Partnership

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Hillary Lewis

Hillary Lewis

Vice President; Chief Information Security Officer

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Allison  Logie

Allison Logie

Vice President; Director of Strategic Business Development

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Kate Miller

Kate Miller

Vice President; Chief Technology Officer Human Services, Director of Systems and Technology

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Jonathan Morse

Jonathan Morse

Senior Vice President; Managing Director, Health Program Improvement Division

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Nancy  Murray

Nancy Murray

Vice President; Director of International Research

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Tulika A. Narayan

Tulika A. Narayan

Vice President, Climate Change

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Timothy Novak

Timothy Novak

Vice President; Director of Project Management

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Anu Rangarajan

Anu Rangarajan

Senior Vice President, Climate Change

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Deborah Reed

Deborah Reed

Senior Vice President; Managing Director, Human Services Education and Employment Division

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Margo  Rosenbach

Margo Rosenbach

Vice President; Director of Health Program Improvement

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Matthew  Stagner

Matthew Stagner

Vice President

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Pamela Tapscott

Pamela Tapscott

Vice President; Director of Contract Operations

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Erin Taylor

Erin Taylor

Senior Vice President; Managing Director of Health Policy Assessment

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Jeffrey Tranchina

Jeffrey Tranchina

Vice President; Director of Information Technology Services

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