Dr. Gautam Hrishikesh Sharma
Managing Partner
Dr. Gautam Sharma serves as Managing Partner at VBell, bringing over 32 years of experience across SMB, enterprise, and retail sectors. He specializes in go-to-market strategies, e-commerce, and multi-tier distribution models.
With more than 20 years in international business, Gautam has held leadership roles in research, analytics, and product management at renowned organizations including NTPC, BlackBerry RIM, and Siemens. He is recognized for his cross-functional leadership, customer-centric approach, and his ability to drive transformation that enhances shareholder value.
Gautam holds a Bachelor’s degree in Arts from Mumbai University and a Postgraduate Diploma in Computer Applications (PGDCA) from IGNOU.
Dr. Ayosh Bhattacharya
Independent Managing Partner | Life Sciences
Dr. Ayosh Bhattacharya leads VBell’s Life Sciences division as Independent Managing Partner and Chair of the Advisory Board. With 15 years of experience in clinical practice, he is a board-certified specialist in both Podiatric Orthopedics and Primary Podiatric Medicine.
A graduate of Northwestern University’s Feinberg School of Medicine and SWBUHS Kolkata, Dr. Bhattacharya combines medical expertise with a visionary approach to innovation in biotech, pharma, and health-tech. He is responsible for guiding the division’s strategic direction, from concept development to execution.
His leadership ensures that VBell remains at the forefront of life sciences innovation, blending clinical insight with operational excellence.
Nigel Sebastian
Managing Partner | Renewable Energy
Nigel Sebastian serves as Managing Partner of VBell’s Renewable Energy division, where he leads initiatives in product development, engineering, and sustainable energy strategy. He brings over 18 years of global experience in electrical and mechanical systems across solar, wind, and hydrogen sectors.
Nigel’s background includes managing technical teams and overseeing system design and implementation for energy-efficient solutions. He is also focused on strengthening the Electric Vehicle (EV) supply chain to support clean energy transition.
He holds a degree in Electronic Engineering and has pursued advanced training in project management and process development.
Subbu Veeraghanta
Chief Information Officer
Subbu Veeraghanta is the Chief Information Officer and Vice President of Operations at VBell, with over 20 years of experience in IT infrastructure, cybersecurity, regulatory compliance, and systems integration.
He leads the company's enterprise architecture, customer-facing technology strategies, and innovation in AI, cloud computing, and information security services. Prior to VBell, Subbu held key roles at organizations including Rolls-Royce Thermal Power, Exemplary, eBay, Symphony Technology Group, and Coverity.
Subbu earned a Bachelor’s degree in Commerce from Andhra University, a PGDCA from IGNOU, and certifications in AI Strategy from MIT Sloan and Business Management from the Yale School of Management.
Hana Anh
Director Finance
Hana Anh oversees VBell’s financial planning, investor relations, and corporate operations as Director of Finance. With over 16 years of experience in financial management, she leads budgeting, forecasting, accounting, and strategic reporting across the organization.
Before joining VBell, Hana held finance roles at Shell, 3Com, MCI WorldCom, and SCHA, bringing global exposure to financial systems and enterprise-level reporting. She plays a critical role in aligning VBell’s financial strategy with its long-term vision.
Hana is a finance graduate from the University of South Carolina and also mentors students at De Anza College in Cupertino, California.
Jennifer G. Johnsen
General Council, Chief People Office
Jennifer “JJ” Johnsen serves as VBell’s General Counsel and Chief People Officer, where she leads global HR and legal strategy, compliance, and ethics across all verticals and geographies.
With over 33 years of experience, JJ has been with VBell since inception and has played a key role in aligning organizational culture with regulatory frameworks and business goals. Her guidance has been central to building a values-driven, people-first environment.
She holds a Bachelor’s degree in Business Administration from the Leavey School of Business at Santa Clara University and a Doctorate in Music. JJ is also an active community volunteer in public libraries and local food programs.