Meet the Team

Leah Juhle

Founder & Board President

Leah has spent the last 30 years working in the health and wellness space and holds certifications as an RN, MSN, FNP, E-RYT 500 (Experienced Registered Yoga Teacher), YACEP (Yoga Alliance Continuing Education Provider), and NPCP-PMC (National Pilates Certification Program - Pilates Mat Certified). Her rich background in patient care, health care research, strategy, & consulting, and teaching movement ignited her passion for making impactful change in her community. She serves as AMP’s Lead Teacher, and her classes are warm, welcoming, and carefully tailored to the needs of her students.

Outside of her professional commitments, Leah has contributed thousands of hours of community service to environmental conservation, animal welfare, humanitarian relief, education, and health care nonprofits. Her years as an Adaptive Sea Kayaking Guide with Environmental Traveling Companions were a pivotal education in how creativity and collaboration can break down barriers so all people have equal access to the joy and challenge of outdoor adventures. She applied the lessons learned across all her philanthropic efforts to her first efforts at offering inclusive, free Chair Yoga classes in 2025, paving the way for her bigger dream of the Accessible Movement Project.

Sara Nida

Board Secretary

Sara brings a wealth of experience in logistics, operations, and customer experience to AMP. She currently serves as the Chief Strategy Officer for Estes Forwarding Worldwide (EFW), a leading global transportation and logistics company, where she guides organizational vision, long-term planning, and enterprise growth initiatives. In addition to her corporate leadership, Sara serves on the board of a privately held company’s charitable giving arm, where she supports community investment and philanthropic strategy. A passionate advocate for mentorship and professional development, Sara is committed to fostering talent and building resilient, mission-driven teams.

Sara Nida earned a Bachelor of Arts in English in from the College of William and Mary and brings a strong foundation in strategic communication, critical thinking, and organizational alignment to AMP. She looks forward to contributing to the organization’s efforts to bring free and independent movement to those who are unable to do so in traditional environments.

Sarah Bagley

Board Member

For decades, Sarah has invested her time and talents into a wide variety of advocacy and philanthropic work. She currently leads a nonprofit that provides supportive services to residents living in affordable housing communities around the country. Her work in that area over the last ten years has informed her advocacy on behalf of those earning low incomes, facing physical and mental disabilities, and aging in place.  Prior to her housing work, Sarah was a trial attorney in Washington, DC, for nearly ten years.  

Sarah also served for several years as the Event Lead for the local group of Moms Demand Action for Gun Sense in America. She advocated at the state, local, and federal levels for measures aimed at reducing gun violence and raising awareness about gun safety. This work, along with voter engagement volunteerism, led Sarah to run for public office, where she currently serves as the Vice Mayor in the City of Alexandria, VA.  

Originally from Virginia Beach, VA, Sarah is a graduate of the College of William and Mary and received a Juris Doctor from the Catholic University Columbus School of Law. Sarah is an avid bike rider and is currently searching for the best way to take rides with her 90-pound Great Pyrenees rescue dog, Buster.

Dr. Phebe O’Mullane

Board Member

Phebe is an emergency physician with over 20 years of frontline experience saving lives in high-pressure environments. Beyond acute care, she is deeply committed to empowering patients to thrive through evidence-based lifestyle medicine.

Currently completing an advanced certification in Lifestyle Medicine, Phebe guides patients in preventing and managing chronic disease using the field’s six foundational pillars: nutritious whole-food eating, regular physical activity, restorative sleep, stress management, avoidance of risky substances, and meaningful social connections.

Phebe leads by example, embracing a balanced lifestyle to age well and live healthier for longer. With a strong belief in professionalism, collegiality, transparency, and good governance, she has served on nonprofit boards for the past five years. She is passionate about holistic health that addresses physical, mental, and social wellbeing.

Mark Umbach

Board Member

Mark brings significant expertise in professional communications to AMP. He has nearly three decades in the field and currently serves as the President of the Communications Group at Lucky Break Public Relations. Mark specializes in traditional media relations, with an emphasis on thought leadership, entertainment, consumer goods, nonprofit, and diversity, equity, and inclusion (DEI).

Over the course of his career, Mark has spearheaded award-winning campaigns for a wide range of entertainment and consumer lifestyle brands including but not limited to FX, Focus Features, Fox Searchlight, Netflix, Amazon, Hilton, LA Pride, Barefoot Wine & Bubbly, Stoli, and Warner Bros. In the nonprofit space, Mark has worked with organizations including Covenant House California, the Los Angeles Dodgers Foundation, the Inner City Youth Orchestra of Los Angeles, Outfest, GLSEN, the National LGBTQ Task Force, Wells of Life, WeHo Pride, and many more. He has also played a leading role in the launch of numerous award-winning film and television projects, including the first season of Netflix’s Orange Is the New Black, the first two seasons of Amazon’s Transparent, and FX’s Pose.

Mark resides in Los Angeles, CA. He is an avid sports enthusiast and member of softball, pickleball, and Masters Swim teams.