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Our Team

The Alliance for Aging Research is proud to have dedicated staff members supporting the organization in its mission to improve the universal human experience of aging and health. We are committed to helping people live longer, healthier lives.


Sue Peschin, MHS

Sue Peschin, MHS

President and CEO

Sue Peschin, MHS, is president and CEO at the Alliance for Aging Research, the leading national non-profit organization dedicated to improving healthy aging for all. Since 2012, Ms. Peschin has been a driving force in the growth and success of the organization.

Lindsay Clarke, JD

Lindsay Clarke, JD

senior Vice President of Health Education and Advocacy

Lindsay Clarke, JD, oversees the organization’s health programs and is involved in strategic planning and execution of the Alliance’s mission and goals. She holds a J.D. degree from Chicago-Kent College of Law and a B.S. degree from the University of Michigan.

Sarah Delgado

Sarah Delgado

Vice President of Development

Sarah (DiGiovine) Delgado oversees corporate partnerships. As a member of the development team, she is also involved in strategic planning and fundraising. She holds a B.A. in Government & International Relations with a concentration in Non-Profit Studies from George Mason University, and a Certificate in Professional Fundraising from Boston University.

Adina Lasser

Adina Lasser

public policy manager

Adina Lasser serves on the Alliance’s public policy and advocacy team. Her background is in health policy, patient advocacy, contract lobbying, and health economics. Adina holds a B.S. in Economics from the University of South Carolina. 

Beth Mathews-Bradshaw

Beth Mathews-Bradshaw

Vice President of patient engagement and research

Beth Mathews-Bradshaw oversees the Alliance’s Talk NERDY to Me clinical research training program and assists with other Alliance health care training initiatives and public policy work. She has decades of experience in the regulatory, health, and public policy sectors with particular expertise in complex projects involving diverse stakeholders. She has an A.B. degree from Mt. Holyoke College in English and Politics, and graduate course-work in regulatory affairs at Hood College.

Katie Riley

Katie Riley


Katie Riley oversees all aspects of strategic communications efforts for the Alliance, including media outreach, public relations, content development, branding, podcast, and social media engagement. A former newspaper journalist and editor, she also has more than a decade of experience in health care association communications related to topics in aging. She holds a B.A. in Communications, Journalism, and Business Administration from McDaniel College.

Rachel Stevenson

Rachel Stevenson


Rachel Stevenson oversees the Alliance’s financial activities, plans, and accounting practices. She has worked in a variety of industries including public accounting, large and small for-profit and not-for-profit organizations. She holds a B.A. in Accounting and Finance from Washington State University.

Tiffany Stewart-Brown

Tiffany Stewart-Brown

vice president of HR AND ADministration

Tiffany oversees all aspects of Human Resources and administrative initiatives for the Alliance to include legal compliance, policy and benefits management, leave, compensation, payroll, wellness, staffing, and performance management. She holds a B.S. in Human Resources Management from the University of Maryland University College.


Matthew Thompson

Matthew Thompson

Digital Communications Coordinator

Matthew Thompson supports outreach and digital communications efforts at the Alliance. Matthew is a creative whose experience rests at the intersection of art and social justice in nonprofit spaces. He holds a bachelor’s degree in sociology from Hampton University and applies his passion for creativity and public service to advocacy work.

Michael Ward, MS

Michael Ward, MS

vice president of Public Policy and government affairs

Michael Ward, MS, oversees the Alliance’s public policy and advocacy efforts. He has over a decade of experience advancing healthcare innovation through policy research, federal advocacy, and partnership development. He holds a M.S. degree in Public Policy and Management from Carnegie Mellon University and a B.A. degree from Vanderbilt University.

Katrin Werner-Perez

Katrin Werner-Perez

health programs manager

Katrin Werner-Perez serves the organization’s health programs by production and distribution of health education materials, relationship building, and project management. She holds a B.S. in Health Promotion and Education with an emphasis in Consumer Health from the University of Utah.

Board of Directors

The Alliance for Aging Research is governed by a volunteer Board of Directors. Board members set the strategic direction and guide the Alliance in meeting its mission to accelerate the pace of scientific discoveries and their application to vastly improve the universal human experience of aging and health. We are grateful to these volunteers who devote their time and talent to advancing healthy aging for all.

James G. Scott


President and CEO
Applied Policy, LLC

John L. Steffens

Chair Emeritus

Founder and Senior Managing Partner
Spring Mountain Capital, LP

Michele Markus

Vice Chair

Head of Global Health Accounts; Worldwide Enterprise Lead
Omnicom Health Group

William Schuyler


Mark Simon


Partner and Co-Founder
Torreya Partners, LLC

Cassandra McCullough

Board member

Chief Executive Officer,
Association of Black Cardiologists, Inc. 

George Beach

Board Member

Founder and Chairman
Beach Creative Communications

Mary Bordoni

Board Member

Senior Director, Strategic Alliances
Bristol Myers Squibb Company

Margaret H. Davis-Cerone

Board Member

Senior Director, Corporate Affairs – U.S. Policy
Pfizer, Inc.

James E. Eden, EdD

Board Member

The Eden Group, LLC

Jay Reinstein

board member

Amy Efantis

Board Member

Vice President of Government Affairs and Public Policy

Karen Gally

Board Member

Associate General Counsel
Otsuka America Pharmaceutical, Inc.

Kelsey Lang

Board Member

Andrea Masciale


Worldwide Government Affairs & Policy
Johnson & Johnson

Dan Perry

Board Member

Alliance for Aging Research

John Whyte, MD, MPH

Board Member

Chief Medical Officer,

Candid Seal of Platinum Transparency 2022

The Alliance for Aging Research is a proud recipient of Candid’s Platinum Seal of Transparency.

Charity Navigator logo

The Alliance for Aging Research is proud to be rated a 4-star charity by Charity Navigator.

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