Leadership

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Erica Galvez

Chief Executive Officer

Erica has extensive experience in health information exchange and interoperability and has been with Manifest MedEx since 2017, previously serving as Chief Operating Officer, Chief Strategy Officer, and Chief of Staff. She has been instrumental in guiding the organization’s growth and expansion while ensuring MX delivers increasing value to customers. Prior to joining MX, she led the HIE work for Aledade, with ACOs spanning 15 states and accounting for more than $1.5B in annual health care spending. She led efforts that tripled the company’s hospital connectivity and evolved the use of health information to reduce avoidable hospitalizations and emergency department encounters. 

Prior to Aledade, she led the Office of the National Coordinator for Health IT’s (ONC’s) Interoperability Portfolio. She also served as one of the directors of ONC’s State HIE Program and as program manager for AHIMA’s State-Level HIE Consensus Project. Erica came to the HIE space through years of healthcare quality and patient safety research at The Joint Commission. She holds a master’s from the University of Colorado, Boulder, and a Six Sigma yellow belt from the University of Wisconsin, Madison. 

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Jason Buckner

Chief Information Officer

Jason has been at the forefront of the nonprofit Health Information Exchange (HIE) industry for over a decade. His previous roles include leadership positions at NC HealthConnex and The Health Collaborative, where he utilized his broad technical experience in interoperability, informatics and analytics to help improve healthcare. 

Jason has served on multiple national committees including the eHealth Exchange Coordinating Committee. He received his Bachelor's degree in Business Administration from Queens College in Charlotte, NC. Jason currently lives in Alameda, CA where he is an avid cyclist. 

 

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Trisha Grobeck

Chief Financial Officer

Trisha brings over 35 years of experience in accounting, treasury, human resources, and investor relations from various industries, including renewable energy, retail, and biotech. She joined Manifest MedEx as the Controller in 2019 and was appointed CFO in April 2022. She is passionate and dedicated to the mission of MX, especially since two of her three daughters chose careers in medicine. She started her career at KPMG in Audit and Corporate Training. Prior roles include Controller and investor relations at West Marine, Assistant Treasurer at Bio-Rad Laboratories, and Human Resources at Central Garden and Pet. 

Trisha holds a BA from the University of California, Santa Barbara in Economics and an MBA from St. Mary‘s College of California. She is a licensed CPA in the state of California. 

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Adam Harrison

Chief Growth Officer

Adam Harrison is the Chief Growth Officer for Manifest MedEx with responsibility for leading the expansion of provider, health plan, hospital, and IPA participants in California’s nonprofit health data network and ensuring MX solutions deliver maximum value to support each organization. 

Adam has more than 19 years of experience leading high performing sales teams. Prior to joining MX, he served as Senior Vice President of sales for a digital member engagement company. In that role he built and led a sales team that more than doubled the number of patient members on the platform, increased revenue by over 40 percent in two years, and expanded sales into new markets, including Medicaid, federal employees, and healthcare exchanges. 

He previously directed enterprise sales efforts for athenahealth where he helped pioneer a new bi-directional data exchange business. He also led a national payer sales team at Optum that achieved double digit growth several years in a row and supported Verisk Health in signing deals with Fortune 500 employers. 

He holds a bachelor’s degree in information technology and is a certified Six Sigma Blackbelt. 

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Brittany Weppler

Chief of Staff

Brittany has more than 15 years of experience on high-performing sales teams, with 12 in the healthcare IT space. She joined the growth team at Manifest MedEx in 2018 after experiencing firsthand the breakdown in data sharing between care facilities. Her focus on MX’s mission and bringing value to MX participants has led to high network growth during her time at MX. She was appointed Chief of Staff in August 2022, where she continues to help drive organizational growth and participant value. Prior to joining MX, she was a Regional Vice President for maxIT Healthcare/Leidos Health and a Sales Director for Galen Healthcare, both #1 in KLAS ranked healthcare organizations.

Brittany has a bachelor’s degree in Marketing and Biology from Indiana University.

Elizabeth Killingsworth

Elizabeth Killingsworth

General Counsel and Chief Privacy Officer

Elizabeth has provided counsel and guidance to organizations within the healthcare sector for more than a decade, with a particular focus on the intersection of healthcare and technology. She has deep experience in network building, health information exchange and connectivity, and navigating the relationship between commercial enterprises and a complex regulatory overlay. 

Elizabeth’s previous roles include leadership positions at Surescripts and Evidera. She received her law degree from the University of Virginia School of Law, earning a Dillard Fellowship, and her BA from Vanderbilt University. 

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Mimi Hall

Vice President, Public Health Innovation

Mimi is an executive leader in public health, healthcare administration, and government who has dedicated her professional career to improving population health. She has deep expertise in public health, extensive relationships with key county, state, and association partners, and an understanding of public programs, systems, and funding. 

Mimi has served as a local public health director in California since 2005 in Sierra, Plumas, Yolo, and Santa Cruz counties. She's also held leadership roles in the California Health Executives Association of California, and served on the board of Santa Cruz, Health Information Exchange. She earned her Master's in Public Health from the University of Hawaii, Manoa, HI. 

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Sarita Choy

Vice President, Marketing and Communications

Sarita is a marketing and communications executive with more than 14 years of experience leading marketing, communications, and business development in the healthcare sector. She has deep expertise in successfully developing and executing integrated marketing communications strategies to drive market visibility, generate leads, and support business strategic objectives. 

Sarita has held marketing and communications leadership roles at leading healthcare organizations, including GE Healthcare Partners and COPE Health Solutions. She earned her Bachelor of Arts degree at University of Michigan, Ann Arbor, MI. 

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Bob Jako

Director of People

Bob has worked for many years within the healthcare sector in California, including as an executive in The Permanente Medical Group based in Oakland, California. He has both designed and implemented a wide variety of performance feedback programs and culture change programs in an innovative, technology-forward healthcare setting. 

Bob has previously served on the faculties of the University of California, Berkeley and the University Nebraska at Omaha. He earned his graduate degrees in industrial/organizational psychology at Colorado State University and completed his undergraduate studies in political science and economics at the University of California, Berkeley.