10 UnitedHealth Group operations leaders
Claims appears in four of these UnitedHealth Group operations titles, two of them held by leaders based in India, and the rest cover service operations, provider issue resolution, OptumCare, Optum Financial, care delivery and the company-wide president and COO seat held by Dirk McMahon from 2021 to 2024. A health plan, care provider or claims vendor working on accuracy, appeals volume or provider friction will find a matching operations title here.
Professionals to explore
Abhidatta Rajadhyaksha
LinkedInExperience: VP Claims Operations · UnitedHealth Group
Based in Hyderabad, Abhidatta Rajadhyaksha became VP Claims Operations at UnitedHealth Group in March 2026, with a focus described on transformation, operational excellence and practical use of AI and automation in claims. UnitedHealth Group titles also include Senior Director of Operations (2023–2026), Director Operations (2019–2023), Associate Director (2017–2019) and Service Delivery Leader (2015–2017).
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Ashish Madan
LinkedInExperience: Senior Vice President Global Capability Leader for Claims and Provider Operations · UnitedHealth Group
Ashish Madan, in the Delhi area, has been Senior Vice President Global Capability Leader for Claims and Provider Operations at UnitedHealth Group since September 2025. Other titles include Vice President Partner Management, Solutions, Transitions Leader. BU Leader Optum Financial. (2017–2025), Senior Director - Head of Transitions, Technology Enablement Group (2014–2017) and Director - Head of Transitions (2012–2014), suited to questions on operations transitions and global claims and provider operations.
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Christy Ross
LinkedInExperience: Former Chief Operating Officer, Care Delivery · UnitedHealth Group
Christy Ross was Chief Operating Officer, Care Delivery at UnitedHealth Group (2025–2026) and Senior Vice President Enterprise Clinical Services and Optum Health Risk Operations (2023–2025). Other UnitedHealth Group titles are Senior Vice President Operations- OptumCare (2019–2023) and Senior Vice President Operations- Medicaid (2017–2019), with Global President Healthcare Client Services at TP in 2023, making Christy Ross a fit for clinical and risk operations questions.
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Darla Denne
LinkedInExperience: Sr. Director Service Operations · UnitedHealth Group
Service operations has been Darla Denne's area at UnitedHealth Group as Sr. Director Service Operations since 2014, with Director Project Management Process Improvement (2013–2014), Sr. Director of Alliance Case Installation and West Sales Region (2008–2013) and Director Project Management (2006–2008) before that. Darla Denne also held Provider Network Relations at Blue Cross and Blue Shield of Minnesota (1993–2006) and describes experience in Commercial, Medicaid and Medicare health insurance operations.
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Denise Strait
LinkedInExperience: Vice President, Behavioral Health Claim and Appeal Operations · UnitedHealth Group
Vice President, Behavioral Health Claim and Appeal Operations at UnitedHealth Group since 2013, Denise Strait leads a global organization of nearly 900 claim and appeal team members and has also been Vice President at Optum since 2013. Other roles include Vice President, Public Sector Provider Loading Operations at UnitedHealthcare (2012–2013), Director, Government Network Operations (2008–2012) and Regional Account Manager at Nationwide Insurance (GatesMcDonald) (1990–1997).
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Dirk McMahon
LinkedInExperience: Former President and Chief Operating Officer · UnitedHealth Group
Dirk McMahon was President and Chief Operating Officer of UnitedHealth Group (2021–2024), describing a focus on strategy and workplace for the 350,000 teammates at Optum and UnitedHealthcare. Other titles include Chief Executive Officer of UnitedHealthcare (2019–2021), President and Chief Operating Officer of Optum (2017–2019), Executive Vice President Operations at UnitedHealth Group (2014–2017) and Chief Executive Officer of OptumRx (2011–2014).
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Ryan Fulton
LinkedInExperience: Senior Vice President, Claims Operations and Benefit Installation - UnitedHealthcare · UnitedHealth Group
Ryan Fulton's LinkedIn profile says COO, UnitedHealthcare Core Operations, and the current title is Senior Vice President, Claims Operations and Benefit Installation - UnitedHealthcare, since July 2020. Optum titles were Senior Vice President, Customer Performance Management (2020), Vice President, Customer Performance Management (2018–2020) and Vice President, Product Development (2015–2018), making Ryan Fulton a fit for questions on claims operations and benefit installation.
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Stephanie Henry
LinkedInExperience: Vice President, Operations at Optum Financial · UnitedHealth Group
Stephanie Henry holds the Vice President, Operations at Optum Financial title, since April 2024, with a stated focus on applying AI, automation and data-driven practices to scale performance and consumer experience. Other UnitedHealth Group titles are Sr. Director, Fintech & Payment Capabilities at Optum Financial (2022–2024), Sr. Director, Technology and Transformation at Optum (2020–2022), Sr. Director and Chief of Staff at UnitedHealthcare Technology (2016–2020) and Director, Software Engineering Services at Optum Technology (2012–2016).
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Trent Simpson
LinkedInExperience: Vice President, OptumCare Operations · UnitedHealth Group
Trent Simpson has been Vice President, OptumCare Operations at UnitedHealth Group since May 2016 and was Vice President, Medicare Operations (2011–2016). Further titles include Vice President Clinical Service Partnerships - Medicare & Retirement (2007–2011) and Senior Director, Network Pricing & Strategy - Evercare (2006–2007), a record that fits questions on Medicare and OptumCare operations.
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Trisha Everett-Karjalainen
LinkedInExperience: Vice President of Operations Provider Issue Resolution and Prevention · UnitedHealth Group
Provider pain points are the stated focus for Trisha Everett-Karjalainen, Vice President of Operations Provider Issue Resolution and Prevention at UnitedHealth Group since 2015, working across business partners and lines of business to identify and remove them. At Aetna, a CVS Health Company, the titles were Executive Director of Claim Operations and Technology (2011–2015) and Senior Director Provider Solution Teams and Technology (2008–2011).
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Choose the right perspective
For claims questions, choose between Ryan Fulton (UnitedHealthcare claims and benefit installation), Denise Strait (behavioral health claims and appeals), Abhidatta Rajadhyaksha and Ashish Madan (claims and provider operations from India). Provider friction goes to Trisha Everett-Karjalainen, care delivery and OptumCare to Christy Ross or Trent Simpson, service operations to Darla Denne, and Optum Financial and payments operations to Stephanie Henry; Dirk McMahon is the call for enterprise-wide operating structure.
Questions to take into the conversation
- 01How do you decide which parts of claims processing and appeals to automate first without raising error or overturn rates?
- 02What does a provider issue resolution team track to find the root causes of repeat provider complaints?
- 03When a payer also has its own care delivery business, how should clinical operations and claims operations share data and targets?
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.