Our Leadership

Meet our team

Our team brings a full spectrum of health care leadership experience to CareAllies. From clinical operations, to consumer health and physician engagement, the expertise and innovation at CareAllies shines through.

Our Leadership
Headshot of Casey McKeon

Casey McKeon


As president of CareAllies, Casey McKeon is committed to further connecting care between patients and providers with value-based care solutions that help reduce health care costs, while improving quality and overall care experiences. Casey’s leadership experience managing complex health plan programs, combined with his focus on delivered results that improved quality and affordability, will drive continued growth and innovation to benefit our provider partners and they patients they serve.  

Casey most recently served as chief operating officer for CareAllies, with responsibility for executing the  business strategy, operating plan, capital allocation and financial results for all business areas. Prior to CareAllies, he led health services and revenue management for Cigna's Medicare Advantage business. Under his leadership, Cigna achieved the highest CMS Star ratings in the company’s history with 87% of customers in a 4-Star rated plan or higher nationally for 2021 – including a 5-Star rated plan in Florida. Casey’s previous experience includes market leadership roles for Cigna's Medicare Advantage business; as vice president of operations for the Houston-based Radiology Benefits Manager (RBM) HealthHelp; and as director of Medicare at Humana. He holds a bachelor’s degree from the University of Notre Dame and is an active member of the Notre Dame Alumni Association.

Headshot of Beckie Croes

Beckie Croes

Senior Vice President, Provider Engagement and Management Services

Beckie Croes leads provider engagement and management services for CareAllies. Previously, Beckie was the Vice President of Delivery System for Cigna Medicare, responsible for National Contracting, Provider Engagement Strategies and Delivery System Enablement. She had operational leadership responsibility for incentive agreement structures, hospital contracting strategies, and technology solutions that enable scalability. She led the development of a management service organization stand-alone product offering to support delivery system needs and other development opportunities.

Beckie has held numerous leadership positions within Cigna's Medicare Advantage business including local network operations, corporate contracting, pharmacy operations and business development. Before joining Cigna's Medicare Advantage business, she held several leadership positions with North American Medical Management, including network operations, payer contracting and business transformation roles. Beckie has a Bachelor of Science degree in Economics and Political Science from Texas A&M University.


Joe Nicholson, III, DO

Chief Medical Officer

Dr. Joe Nicholson provides strategic direction, operational oversight, and thought leadership for CareAllies’ clinical programs and operations, including ACO and social determinants of health strategies and operations. Additionally, he supports business development and provides clinical oversight for all companies and programs under CareAllies, including Alegis Care’s Home-based Care Delivery Service. 

Dr. Nicholson has held leadership roles at the Cancer Treatment Centers of America and Blue Cross and Blue Shield (BCBS) of Oklahoma, a subsidiary of Health Care Service Corporation (HCSC), and was instrumental in helping to establish Oklahoma’s health information exchange, partnering with the state of Oklahoma and Oklahoma University.

He earned his medical degree at Oklahoma State University – College of Osteopathic Medicine. He completed his residency in family medicine at Oklahoma University College of Medicine – Tulsa. He is board certified by the American Board of Family Medicine and a veteran of the U.S. Army.

Headshot of Brian Ough

Brian Ough

Chief Financial Officer

Brian Ough leads financial strategy and execution for CareAllies, focusing on creating financial strategies for our provider partners that enable their success in value-based arrangements. His expertise includes developing and implementing value-based arrangements with both employed and independent providers.

Prior to joining CareAllies, Brian was the Chief Financial Officer for Cigna Medical Group, a multi-specialty practice as well as the Cigna Medicare Advantage plan of Arizona. His vast experience with Cigna includes financial planning and analysis, capital planning, medical economics, underwriting and risk management. Brian has a Bachelor of Science degree from the University of Hartford in Connecticut.

Headshot of Allen Perez, MBA

Allen Perez, MBA

Senior Vice President, Business Development

Allen Perez leads partnership development efforts with providers at CareAllies. He has a long track record of working with providers to develop strategies and partnership arrangements that accelerate their transition and increase their success in value-based payment arrangements.

Prior to his role at CareAllies, Allen led new Market Development for Cigna's Medicare Advantage business, including its work to establish new partnerships with physician groups and delivery systems. Earlier in his tenure, Allen oversaw the physician management company for one of Cigna Medicare’s most successful provider partnerships. Before joining Cigna, he served in strategic and operational roles at Hospital Corporation of America (HCA).

Allen holds a Bachelor of Science in Psychology from Sam Houston State University and Master of Business Administration from Our Lady of the Lake University in San Antonio, Texas.

Headshot of Dave Zegzdryn

Dave Zegzdryn

Chief Information Officer

As the chief information officer, David Zegzdryn leads the technology roadmap for CareAllies, ensuring the quality and timeliness of technology deployment to CareAllies customers.

Prior to joining CareAllies, David was a senior director at Cigna, responsible for information technology capabilities supporting customer health engagement initiatives. Within this role, David implemented enterprise technology solutions in utilization and case management, wellness and disease management, population health stratification and customer health incentives.

David has also held a number of IT leadership positions at Cigna focusing on optimizing the quality and effectiveness of enterprise technology in the marketplace. Prior to joining Cigna, David worked as an information management consultant in health care, reinsurance, electric utilities and manufacturing. David has a degree in Business Administration from Bryant University.