Our Team

Together, we are a force for change. The American College of Lifestyle Medicine and our members represent the future of healthcare. Our members are united in their desire to be the tip of the spear in transforming a system of care delivery through lifestyle medicine. Our staff exists to support and serve them in this mission.

Staff
Susan Bengas Circle

Susan Benigas

Chief Executive Officer
Martin Tull

Martin Tull

Chief Impact Officer
Kaitlyn Pauly Circle

Kaitlyn Pauly, MS, RDN, DipACLM

Chief Integration Officer
Julie Holtgrave 23 06 14 2058a

Julie Holtgrave, CMP

Chief Operations & Events Officer
Leslie Casey Circle

Leslie Casey

Senior Director of Marketing
Tyler Hemmingson Circle200 1

Tyler Hemmingson, MPH

Senior Director of Practice Advancement
Shannon Worthman Circle

Shannon Holmes, NBC-HWC, DipACLM

Senior Director of Education
Micaela Karlsen

Micaela Karlsen, PhD, MSPH

Senior Director of Research
Charlotte Matthews

Charlotte Matthews, CPT, NBC-HWC

Senior Director of Impact
Jenn Nanni

Jennifer Nanni, MBA, MEd

Senior Director of Membership
Paulina Shetty Headshot (2)

Paulina Shetty, MS, RDN, DipACLM, FACLM

Senior Advisor
Jean Tips

Jean Tips

Senior Director of Communications & Public Affairs
Rmr Headshot 2022

Richard M. Rosenfeld, MD, MPH, MBA

Director of Guidelines & Quality
Alex Branch

Alex Branch

Director of Communications
Janelle Dye

Janelle Dye, MBA, DipACLM

Chief of Staff
Kelly (2)

Kelly Freeman, MSN, AGPCNP-BC, DipACLM, FACLM

Director of Workforce Development
Brenda Rea Circle

Brenda Rea MD, DrPH, PT, RD, DipABLM, FACLM

Medical Director of Education
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Chelsey Hoffman, MS

Director of Partnerships
Stacia Johnston

Stacia Johnston

Director of Health Equity Advancement
Theresa Stephan

Theresa Stephan, EA

Chief of Finance
Hillary Richardson Photo Crop

Hillary Richardson, MOT, OTR/L, DipACLM

Director of Practice Advancement
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Shanna Mello, MS, DipACLM

Director of Academic Education
Kara Staffier, Mph

Kara Staffier, MPH

Director of Research Operations
Alexandra Kees, Mph

Alexandra Kees, MPH

Director, CME/CE
Jennah

Jenna Haseleu

Director of Membership
Dasha Ross

Dasha Ross, MCHC

Associate Director of Events
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Laura Cox

Director, Product Marketing
Jfink Headshot

Justin Fink, MS, CPT, NBC-HWC

Associate Director of Partnerships
Katie Edmiston

Katie Edmiston

SR Education Project Manager LMRC
Awardinsky (1)

Andi Wardinsky, MS, NCPT, NBC-HWC

Senior Manager, Customer Experience
Lauree Gallion

Lauree Gallion

Special Projects Manager
Samantha Gallion

Samantha Gallion

Development & Grants Manager
Grace Gama, Ms, Nbc Hwc

Grace Gama, MS, NBC-HWC, DipACLM

SR Education Program Manager
Thomas Rios Headshot

Anna Thomas-Rios, Ed.S., MBA

CME/CE Project Manager
Brittany Shroyer

Brittany Shroyer, MS, ACSM-EP

Membership Engagement Manager
Monica O’neill, Ms, Nasm Cnc

Monica O’Neill, MS, NASM-CNC

Membership Manager
Jenn West Headshot

Jennifer West, MS, ACSM-EP, DipACLM

Director of Development & Impact
Caia Ross

Caia Ross

Manager, Customer Experience
Andrea Westmoreland

Andrea Westmoreland, MEd

SR Manager, CME/CE
Kathy Pollard

Kathy Pollard, MS

Research Project Manager
Kathy Mcdarby

Kathleen McDarby

Impact & Partnerships Coordinator
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Gabby Tenaglia

Marketing and Social Media Coordinator
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Kimberly Pittmon

iMIS Administrator
Ayeshapropic

Ayesha Tyagi

Marketing Coordinator
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Together, we are a force for change.

ACLM is the only medical society in the United States that offers quality education and certification to individuals dedicated to clinical and worksite practice of lifestyle medicine as the foundation of a transformed and sustainable health care system. As a result, we are eradicating the root cause of disease by using lifestyle as a therapeutic intervention to prevent, treat, and often reverse lifestyle-related diseases. When you join ACLM, your membership delivers an exceptional return on investment:

  • Support our network of members dedicated to advancing the field of lifestyle medicine.
  • Unlimited access to clinical practice resources.
  • Annual subscription to the American Journal of Lifestyle Medicine.
  • Scholarships, grants, and research presentations.

As a member, you are a part of the galvanized force for change. ACLM is committed to tirelessly advancing lifestyle medicine – for your benefit, our medical profession colleagues, and those we serve.

Join our network of certified clinicians.

In Person & Online

Save the Date  |  November 16 – 19, 2025
The Gaylord Texan, Dallas/Fort Worth

Every Fall, ACLM hosts the premier continuing education event focused on lifestyle medicine – the therapeutic dose of proper nutrition, regular physical activity, social connection, restorative sleep, stress management, and avoidance of risky substances.