Our Team


Chris Cigarran
Chief Executive Officer

Chris brings a wealth of experience across both the population health management and benefits strategy and delivery realms. Previously, Chris was responsible for building Healthways' Employer and Government division, serving as President for four years. Chris also spent five years as Healthways' Chief Human Resource Officer, responsible for building and leading the People and Culture strategy.  In his role as CHRO, Healthways was listed on Fortune's "Best Places to Work," and he received multiple honors from the National Business Group on Health.


Chris received his undergraduate degree from Bucknell University and his Master's in Organizational Development from the Graziadio School of Business at Pepperdine University.  He is married and has two wild and wonderful children.  True to his Nashville roots, and much to the dismay of his wife and children, Chris is a beginner banjo player.  He is also a rabid Nashville Predators fan.


Chirag Shah

Vice President of Commercial Strategy

Chirag brings cross-functional expertise to Imagine Health ranging from strategy to analytics to investing. Previously, Chirag led Imagine Health’s analytics team where he was responsible for the company’s contract modeling, quality assessments, and customer reporting. Prior to Imagine, he led Castlight Health’s Strategic Analytics team where he defined and delivered its value proposition for self-insured employers. Prior to that he was a healthcare private equity investor with The Carlyle Group where he assessed opportunities across services, life sciences, healthcare IT, and pharmaceuticals.

Chirag received his BS in Finance and Pre-medicine from New York University's Stern School of Business. He lives in San Francisco with his wife and their new puppy, and can’t get enough of the area’s hiking, skiing, and wine country.


Nimmy Jammulapati
VP, Operations

Nimmy has 20 years of experience in the healthcare industry spanning benefits consulting, health plan negotiations, vendor selection and integration, administrator implementations, health plan launch and account management. Prior to Imagine Health, Nimmy spent 10 years at Mercer Health and Benefits Consulting, where she was a senior account manager.  Prior to Mercer she worked at Cap Gemini Ernst & Young.  


Nimmy holds an MBA from the University of Utah and a Bachelor of Engineering degree from the Birla Institute of Technology and Science in India. Her husband, kids and a dog keep her busy and out of trouble. She loves tagging along with them on their crazy travel adventures and new food finds!



Jeff Brown
Chief Provider Engagement Officer

Jeff brings over 20 years of experience in the healthcare industry. Prior to joining Imagine Health, he served as the Market Leader for Cigna-HealthSpring’s Medicare Advantage Plan in Alabama, Mississippi & Florida. Prior to this, he led national contracting strategy for the government segment and new market development across the southeast. Previous career experience includes leading United Healthcare’s provider network team for commercial and government product lines in the gulf states markets, and vice president of Payor/PBM contracting strategies for American Pharmacy Cooperative.  


Jeff received his undergraduate degree in Health Care Management from the University of Alabama and a Master’s in Public and Private Management from Birmingham-Southern College. Residing in Birmingham, AL Jeff is married with three daughters.


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Pari Mistry, MD
Vice President, Customer Success

Pari has spent the last 15 years working with self-funded employers on employee benefit and wellness initiatives.  Prior to joining Imagine, Pari was Senior Director of Account Management at Healthways.  A physician by training, Pari brings her clinical knowledge as well as an overall understanding of the healthcare system to her clients to help them execute on their healthcare strategies. Pari’s approach is one of creating value for the client while staying focused on a simple member experience through flawless execution.  

Pari holds a BS from Boston University, an MD from the AUC School of Medicine, and a Master’s in Healthcare Services Administration from the University of Michigan.  Pari lives in Nashville with her husband and two children.  As a recent transplant to the area, she is slowly becoming a Nashville sports fan but still holds a big place in her heart for the Cleveland, Ohio sports teams that she grew up watching.