Meet the leadership team.

Founder & CEO

Before founding Onymos, Shiva Nathan was Head of Intuit’s Platforms & Services organization. He has also held technical leadership positions at Oracle and CA. These companies continue to leverage the software products he helped define and build. Shiva earned his bachelor’s degree with honors in computer engineering from BITS Pilani and an MBA from UC Berkeley’s Haas School of Business.

VP, Engineering

Bhavani Vangala has worked with high-growth companies for more than 20 years, having held engineering leadership roles at Flextronics, PDL BioPharma, and Synopsys. At Onymos, she oversees our technology strategy, product development, and customer support. Before joining Onymos, Bhavani was CTO at 1DecisionSuite.

Director of Customer Success

Mark Sloan has spent his career leading customer success, sales engineering, and cybersecurity teams. As Director of Customer Success at Onymos, he drives customer retention, strategic growth, and compliance initiatives. Mark plays a key role in aligning technical solutions with business needs, shaping product roadmaps, and enabling scalable growth.

Director of Marketing

Jamie’s a technical storyteller and GTM engineer. He’s built everything from websites for regional theatres to mobile apps for conservation organizations to back-end systems for the Centers for Medicare & Medicaid Services (CMS). He’s also performed and produced theatre up and down the US East Coast. Today, he’s Onymos’ chief evangelist, focused on customer-led growth.

Director of Business Development

Tony Mancuso is the Director of Business Development at Onymos, with a strong background in healthcare and medical technology sales. Before Onymos, he held roles at Terumo, Medtronic, and Intuitive Surgical, driving adoption of innovative medical devices. Tony holds a biology degree from Kent State University and an MBA in organizational leadership.