Anita Nair-Hartman

Chief Strategy Officer

With a passion for making healthcare work better for everyone, Anita has dedicated over 29 years helping organizations bring data, insights and innovation to key stakeholders to improve care. Prior to joining Lark, she led Payer & Provider Strategy at IBM Watson Health after their 2016 acquisition of Truven Health where she was Senior Vice President of Strategy and Business Operations. Earlier in her career, she also worked at Medecision, Aetna and Watson Wyatt. Anita earned a Master of Health Administration and a Bachelor of Science in Biology from The Pennsylvania State University.

Jason Paruthi, MD

Medical Director

Jason Paruthi, MD is the Medical Director at Lark. With extensive experience in clinical medicine, translational research, and health technology business development, Dr. Paruthi educates partners and prospects on how to best leverage Lark for optimized health outcomes, care coordination, and cost savings in their patient populations. Additionally, he collaborates with Lark’s Health Committee and product teams to incorporate the latest evidence and clinical guidelines into Lark’s AI coaching platform. He received his BA and MD from Boston University and was a trainee and translational researcher at Harvard Medical School where he studied clinical interventions for the prevention and management of type 2 diabetes, cardiovascular disease, and obesity-related chronic conditions. Outside of work, Dr. Paruthi enjoys spending time with his family and trying out new healthy, spicy recipes.

Christian Ricciardiello

Senior Vice President of General Counsel

Christian is an experienced healthcare technology General Counsel with experience in start-up and high-growth environments, establishing and leading in-house legal and privacy teams, and advising executive leadership. Before joining Lark, Christian was the General Counsel and SVP, Legal and Business Affairs at Rally Health, Inc., a leading digital healthcare company, where he led all aspects of Rally Health's legal, privacy, compliance, and business affairs functions. Prior to joining Rally Health in 2015, Christian had a nearly ten-year career at the Central Intelligence Agency, Office of General Counsel, where he led the Agency's litigation and investigations divisions. Christian lives in Vienna, VA with his wife and three children.

Hallie Higbee

Vice President of Account Management

With over 15 years of experience in healthcare and employee well-being at companies like Welltok and Cigna, Hallie is an expert at understanding the needs of clients and their customers, and finding solutions that support their business objectives. Hallie has a track record of managing and developing teams of Program and Account Managers, ensuring delivery of client commitments, operational excellence and a consultative approach. Hallie has an MBA from the Haas School of Business at Berkeley.

Vadim Axelrod

Vice President of Lark-X & Security

Vadim is a customer-focused technologist with a passion for delivering revolutionary technological solutions to real-world problems for users. He is responsible for engineering processes, technical partnerships and security at Lark. For the last 2 decades, Vadim has founded and scaled transformational VC-backed companies in the health care technology, networking, real estate technology, security and educational technology as CTO and VP of Engineering including Rentals.com as co-founder and CTO (acquired by Primedia) and Business Signatures as Principal Technologist (acquired by Entrust). Vadim holds an MS in Computer Science from Stanford University and loves broadway shows and playing ultimate frisbee.

Iveta Brigis

Vice President of People Operations

Iveta is an experienced People Operations leader with a track record of building high-performing teams and creating innovative HR programs. Before joining Lark, she helped build Google's People Operations function as the company grew from 10,000 to 100,000 employees, working on compensation, performance management, manager development, diversity & inclusion, and internal communications efforts. Iveta earned her MBA from the University of California at Irvine, and her BS in Human Development from Cornell University. She lives in Ann Arbor MI with her husband and two children.

Susan Singer

Vice President of Product Management & Technology Operations

Susan is an experienced executive leader with a demonstrated history of success at optimizing the performance of product strategy and development, business operations, and stakeholder communications. Prior to joining Lark, she was VP of Strategic Initiatives at Rally Health, helping the company grow and scale product delivery, as it transformed from a 40-employee startup into an organization of over 1,800 employees and was acquired by Unitedhealth Group. Before that, she worked at Linden Lab (the creators of the pioneering virtual world platform Second Life), the Corporate Executive Board, as well as founded a boutique consulting firm focused on helping companies identify needs, develop project plans, and manage processes for web-based solutions delivery. Susan earned her MBA from the Darden School of Business at the University of Virginia and a BA in Cognitive Science from Wellesley College.

Melissa Ross

Vice President of Strategic Operations

Melissa's career of more than 25 years has been dedicated to driving scale and growth for leading companies at the intersection of healthcare and technology. Prior to joining Lark, she advised early stage healthcare technology companies, served as Chief Operating Officer of VisiQuate (a healthcare revenue cycle analytics and workflow company), and co-founded BRIIA.io (an accelerator program for AI startups). Earlier, Melissa spent more than a decade in business development, operations, client management, and engineering leadership positions at MedeAnalytics (the largest pure play healthcare analytics firm) while they scaled from small start-up to over 500 employees and were acquired by a private equity firm.Melissa earned her Executive MBA from Saint Mary's College of California and her BA from Loyola University Maryland. Outside of Lark, Melissa loves spending time with her family, travel, and occasionally a good (bad) pun.