Our Team
Apollo Health Street’s leaders are experts in healthcare operations and information technology. We know the healthcare environment inside and out and we understand what drives its success.
Arnab Sen | Chief Financial Officer and Executive Vice President
With nearly ten years at Apollo, Arnab Sen leads the company's financial team while also overseeing initiatives relating to the organization's growth strategy.
An entrepreneur at heart, Arnab previously co-founded Emedlife, a healthcare services company that provides third party administrative services which was acquired by Apollo. In 2004, he was profiled in Business Today as one of India's Top 25 Hottest Young Executives.
He also has worked for several years with McKinsey & Company where he formulated turnaround strategy, identified greenfield projects, led diversification opportunities, designed and implemented key account management program for improving the marketing effectiveness, and developed business unit strategy.
Arnab earned a master of business administration from the Indian Institute of Management, Calcutta and an engineering degree from the Indian Institute of Technology, Delhi. He is a member of the CII - India Business Forum (IBF) in the US.
Hariharan Velayudhan | Senior Vice President of Provider Solutions
Hari Velayudhan manages the company's Provider Solutions with responsibility for growth strategy, profit and loss, sales, and client management. He began his employment with Apollo nearly ten years ago conceptualizing, designing, and launching India's first Disease Management Program.
His experience spans more than a 15 years of sales and operations across consumer goods, e-commerce, and healthcare sectors. He is a member of the Health Management Academy (HMA) and has presented several papers on the globalization of healthcare.
Hari earned a master of business administration from the Indian Institute of Management, Ahmedabad and a bachelor's degree in commerce from Osmania University in Hyderabad, India.
Richard Lipack | Senior Vice President of Provider Operations
Richard Lipack is Apollo Health Street's senior vice president of operations for the company's Provider Solutions. He is co-developer of AccessLine, the company's proprietary online account management system.
Richard served as executive vice president of HHL Financial Services, a major healthcare billing and collections company with more than 1,700 employees. He also held the position of chief executive officer of Professional Data Services, a subsidiary of HHL Financial Services, which provided all data processing and development support for numerous hospital associations.
He earned a bachelor of business administration with a concentration in computer science from Pace University in New York.
Stephen Decker | Senior Vice President of Provider Operations
Stephen Decker oversees the seamless implementation of Apollo's custom, IT-based solutions, bringing together the company's clinical domain, smart technology, best practices, and global resources. He has proven expertise in developing business process designs and improvements resulting in maximum profit margins.
Stephen's diverse and extensive operations leadership experience includes client technical support and technology consulting services with MedDecision, customer-centric service delivery with CIGNA, and call center operations with Capital One Services and AT&T Universal Card Services.
An innovative and strategic business partner, Stephen develops client relationships through aggressive service delivery improvement tactics and increased communication and governance. He focuses on creating technology and business consulting solutions that assist clients with purchase decisions, business case development, and results assessment.
He received a bachelor of science in finance from Siena College Loudonville, New York.
Vijay Nakka | Senior Vice President of India Operations
Vijay Nakka manages operations for Apollo's multiple India locations. With over 30 years of healthcare experience, Vijay brings a comprehensive perspective having worked in both the vendor and client roles.
Previously, he held leadership positions with Deloitte Consulting and several healthcare organizations including Children's Hospital National Medical Center, Sacred Heart Hospital, St. Joseph's Hospital, and Bon Secours Health Systems.
Vijay studied management, accounting, and economics at Spicer Memorial College and The Catholic University of America. He is active with Reaching Hearts for Kids International Organization and has served as a motivational speaker and mentor for several youth organizations.
Samuel Sherrell | Chief Compliance Officer
Sam Sherrell serves as Apollo's chief compliance officer. He is a Six Sigma Black Belt and brings a comprehensive healthcare background with experience in compliance, ethics, process design, analytics, and training.
Prior to joining Apollo, Sam held management positions with CIGNA Healthcare, Conifer Health Solutions, and Electronic Data Systems. His experience includes monitoring and reporting results of compliance with implemented policies and procedures; developing scoring mechanisms to help drive compliance and project prioritization; tracking regulatory changes to develop corrective action plans; and providing process re-engineering, metrics development, and audit and controls.
Sam received an MBA from Averett College and a BS in finance and business law from The University of New York in Albany.