Our Team

Jay Grinney has been the Chairman of the Board of GMR since 2018. He is the Former President and Chief Executive Officer of HealthSouth (now Encompass Health). He retired from HealthSouth in December 2016 after 12 years and is widely respected in the industry for leading the successful turnaround and transformation of one of the nation’s largest healthcare companies.

He has been the recipient of multiple industry awards and recognized as a top healthcare executive. Grinney currently serves as an industry advisor to KKR.

When Grinney joined HealthSouth as CEO in 2004, the company was going through significant challenges. He focused on recruiting a first-class management team and embarked on a remarkable multi-year turnaround that culminated in the company’s relisting on the NYSE and successful repositioning as a preeminent, post-acute care provider. During the last several years of his tenure at HealthSouth, Grinney led the company through a transformative chapter of growth by setting a long-term strategy that involved developing hospitals in new markets, acquiring competitors and expanding into new service lines. Under Grinney’s leadership, the company completed the $730M acquisition of competitor, Reliant Health, and the $750M acquisition of Encompass Health, which expanded the company’s offerings into home health and hospice services. HealthSouth rebranded to Encompass Health in 2018, and is today one of the largest post-acute providers in the U.S. with approximately 43,000 employees providing care to more than 364,000 patients annually.

Prior to joining HealthSouth, Grinney was president of the Eastern Group of Hospital Corporation of America (NYSE:HCA) and before that, senior vice president at The Methodist Hospital System in Houston, Texas where he began his career.

Grinney previously served as a director of Energen Corporation, an NYSE-listed oil and gas exploration company; Envision Healthcare, and Coca-Cola Bottling Company, a privately-held bottling and distribution company based in Birmingham, Alabama. He also served on the board of directors of the Federation of American Hospitals, including a term as its Chairman.

Grinney earned a Bachelor of Arts from St. Olaf College in Northfield, Minnesota. He also holds a Master of Business Administration and a Master of Healthcare Administration from Washington University in St. Louis, Missouri. He has been active in and serves on the board of multiple civic organizations. Read Less

Michael Preissler is the Chief Financial Officer for Global Medical Response, responsible for finance, accounting, internal audit, revenue cycle, managed care and government affairs.

Preissler has served in healthcare services for medical transportation providers for 16 years and has more than 27 years of accounting, finance, strategy and operations experience. Prior to his role at GMR, Preissler was a C.P.A. in the audit and assurances area of Deloitte. He also held a variety of management positions during his six years at Delta Air Lines, including corporate finance and strategy, operations, and network planning. Preissler was also the Director of Finance for Brand Energy & Infrastructure Services (now a part of BrandSafway), a private equity-backed company in the industrial services industry, before he joined Air Medical Group Holdings and served there for 11 years. Preissler was the Chief Financial Officer and Chief Administrative Officer for 10 of those years, responsible for all aspects of finance, accounting, revenue cycle, government affairs, information technology, employee benefits and risk management during the majority of that time. He was promoted to the CFO of Global Medical Response in 2018 as part of the merger with American Medical Response.

Preissler has an MBA from the Yale School of Management with an emphasis in Finance, and holds a degree in Accounting with a second major in Sociology from the University of Notre Dame.

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Edward Van Horne is known throughout the industry for his innovative approach to EMS system design and focus on clinical excellence.

Van Horne began his career as an EMT, later becoming a Nationally Registered Paramedic, and has held numerous roles in the Emergency Medical Services field. Prior to being named president and CEO, Van Horne served as the CEO of AMR’s South Region where he directed operations from Florida to Arizona. Van Horne also served as AMR's Vice President of Business Development for the West Region and from 2002 to 2005 he served as the Director of Operations for AMR in San Bernardino County, CA.

His leadership has earned wide respect throughout the industry for his handling of emergency medical communications and operational components during major catastrophic events—most recently, the unprecedented back-to-back hurricanes, wildfires and nationwide mass casualty incidents. Under Van Horne’s leadership, AMR serves as the prime contractor with the Federal Emergency Management Agency (FEMA).

He holds a bachelor of science in Health Systems Administration from the Rochester Institute of Technology and earned his MBA in Business Administration.

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Dr. Ed Racht has been involved in Emergency Medical Services and healthcare systems for more than 30 years. He currently serves as Chair of the Texas EMS, Trauma and Acute Care Foundation, an organization that provides advocacy, strategic planning and healthcare system credentialing in the State of Texas.

Dr. Racht has been Chief Medical Officer for American Medical Response (AMR) since 2010. Prior to this role, he served as the Chief Medical Officer and Vice President of Medical Affairs for Piedmont Newnan Hospital in metro Atlanta. Dr. Racht was the first full-time Medical Director for the Austin/Travis County Emergency Medical Services System, where he spent 13 years. The System was nationally recognized in the Institute of Medicine’s Report on the state of emergency care for its collaborative approach to challenging healthcare integration issues.

Dr. Racht received his undergraduate and medical degree from Emory University in Atlanta and completed his residency at the Medical College of Virginia.

Dr. Racht is the recipient of numerous awards including being named EMS Medical Director of the Year for the State of Texas, the American Heart Association’s Paul Ledbetter MD Physician Volunteer of the Year Award and was named a “Hero of Emergency Medicine” in 2008 by the American College of Emergency Physicians. In 2015, he was the first recipient of the Joseph P. Ornato Excellence in Clinical Leadership Award, and in 2011 received the Slovis Award for Educational Excellence by the U.S. Metropolitan Municipalities Medical Director Consortium. He is also the third Inductee in the Texas EMS, Trauma and Acute Care Foundation Hall of Fame.

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As Chief Compliance Officer, Jennifer Mardosz is responsible for all aspects of the company’s ethics and compliance program including governance, communications, investigations, training, audit and monitoring, due diligence, and integration. She joined the company in 2021 after serving in multiple compliance leadership roles for Optum, a subsidiary of UnitedHealth Group, including Chief Compliance and Privacy Officer.

Mardosz has also served as Chief Compliance Officer and Senior Vice President for DaVita Medical Group, which was subsequently acquired by Optum. She served also as Chief Privacy Officer and Senior Vice President for Fox Entertainment Group, and Myspace.com during the time it was owned by Fox. Prior to joining Fox, Mardosz was Chief Privacy Officer and Director of Compliance and Investigations for Qwest Communications (now known as Century Link).

Mardosz is a former Assistant United States Attorney in the criminal division for the District of Colorado where her prosecutions focused mainly on crimes against children, kidnappings, fraud, and drug and firearm offenses. She began her career at Sherman & Howard, LLC focusing on employment law.

Mardosz received both her undergraduate and law degrees from the University of Colorado in Boulder, Colorado. She is admitted to practice law in both Colorado and Minnesota.

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Jason L’Odense is the Interim Chief Information Office (CIO) for Global Medical Response.

L’Odense, who joined GMR in 2014, has an extensive background in global IT operations, bringing with him more than 20 years of leadership experience in IT infrastructure, operations, and applications.

Prior to his appointment as Interim CIO, L’Odense served as GMR’s Vice President of IT Infrastructure and Operations, in which he oversaw a department of more than 100 employees responsible for supporting the daily IT operations and engineering of more than 60 office locations and approximately 1,500 satellite locations.

In addition to his service with GMR, L’Odense has held high-level leadership roles with Rural Metro Fire in Scottsdale, Arizona, where he served as the company’s CIO and with Mobile Mini Inc. in Tempe, Arizona, where he served as Vice President of IT.

L’Odense has completed coursework in Computer Information Systems from Arizona State University in Tempe. He also holds numerous professional certifications, specifying in areas of IT expertise. Read Less

Lisa Jacoba has served as the Chief Human Resources Officer since 2019 and is responsible for all aspects of the company’s human resources function for GMR employees. Jacoba has extensive experience working as a valued advisor to Board of Directors and executive leadership teams on Human Resources strategies. She has successfully delivered human capital solutions in large, complex, matrixed organizations in more than 50 countries.

From June of 2015 to September of 2019 she served as the Chief Human Resources Officer for CPI Card Group. Prior to joining CPI, Jacoba worked for Western Union from 2006 to 2014. She held roles such as the SVP of Human Resources at Western Union Business Solutions in London, England, in addition to other senior HR executive roles in Denver including the SVP of Global Talent Management. During her time at Western Union, and at CPI Card Group she was responsible for making significant contributions in talent acquisition, employee engagement, organizational design, learning and development, performance management, M&A, HR integration, employee benefits and compensation programs.

Additionally, Jacoba had a distinguished career spanning 20+ years at First Data working in Denver, Chicago and Omaha where she held various global senior Human Resource management roles.

She holds a Bachelor of Science degree in Human Resource Management from Bellevue University and is on the Board of Directors for the Rocky Mountain HR People and Strategy organization.

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Thomas Cook serves as the General Counsel for Global Medical Response.

Prior to serving in his current role, Cook was general counsel for Air Medical Group Holdings since July 2006. Before joining AMGH, Cook served as Vice President & General Counsel for a mid-sized, publicly-traded specialty construction company based in St. Louis, Missouri. He was also a partner in the Corporate/Securities Group at Blackwell Sanders LLP (n/k/a Husch Blackwell).

Cook has an MBA and a JD from the University of Kansas where he also received a BSB in Accounting.
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Erik Reynolds is the Senior Vice President of Corporate Development for Global Medical Response, joining the
company in 2020. He has an extensive background in corporate-growth strategy and execution, and brings to the company a deep expertise in mergers and acquisitions, including joint ventures, divestitures, international transactions and strategic partnerships, with a focus on healthcare and life sciences.

Reynold’s vision for smart, strategic and organic corporate expansion is fueled by his passion for overseeing complex transactions that maximize enterprise value. His purpose-driven approach to dealmaking propels growth and purposeful diversification by thoroughly sourcing, analyzing, valuing and executing high-impact opportunities.

Before joining Global Medical Response, Reynolds was a Partner in Ernst and Young’s Strategy and Transactions Group where he supported healthcarefocused private equity investments and helped
reshape integrated health systems, academic medical centers, and physician practices, among other
healthcare ventures. Over his more than 20-year career, he has been a driving force behind more than
150 buy- and sell-side transactions with enterprise values ranging from $1 million to $10 billion.

Reynolds holds a Master of Science in Accountancy from the University of Virginia and a Bachelor of
Science in International Finance from Brigham Young University. Read Less

Jeffery McCollom has more than 18 years of service in the EMS industry with a distinguished career history.

During his career, McCollom has managed all aspects of EMS operations and delivery of services including fleet maintenance, administration, MIS, accounting, human resources, materials management, safety and risk, and business development in multiple jurisdictions. In McCollom's career outside of EMS, he designed an internal airport logistics process for the Detroit Metropolitan Airport, which opened in 2002. McCollom served as the Managing Partner for a company that provides athletic training for athletes from youth to professionals.

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