Zemax executive team

The diverse backgrounds of our executive team contribute to making Zemax a thought leader in both optics and technology. Our optics, engineering, and business skillsets help Zemax succeed as a cutting-edge software company with expertise in optics.

S. Subbiah

Chief Executive Officer

As the global strategic leader for Zemax, Subbiah is focused on growing Zemax by delivering superior optical simulation software that enables our customers to design optical products and bring them to market faster.

Prior to Zemax, Subbiah most recently held a variety of senior roles over 12 years at ANSYS, including leading Corporate Product Strategy as well as North American Sales and Customer Services. Earlier, Subbiah served as Vice President of U.S. Operations at Fluent Inc. where he played a key role in growing sales via market segmentation. Subbiah loves taking technology products to market, and engaging with customers, R&D teams, and sales teams.

Fast facts about Subbiah

  • He holds a B.Tech. in Chemical Engineering from IIT Madras, India, an M.S.E. in Mechanical Engineering from Univ. of Pennsylvania and a Ph.D. in Mechanical Engineering from the Univ. of Delaware.  He also completed the Executive Program at The Tuck School of Business at Dartmouth.

  • He enjoys reading both the classics as well as new works, tinkering with the emerging electric economy (he and his wife drove from Vermont to Seattle in their electric car to start working at Zemax), and attending music and theater events.

  • On his travel wish list: Tahiti, Outer Space, or any of the religious monasteries in the Himalayas

Find Subbiah on LinkedIn

Dorothy Pults

Chief Product Marketing Officer

Leads the creation and execution of the product vision.
As Chief Product Marketing Officer, Dorothy is responsible for the product vision across all Zemax solutions. With a rich history of leading organizations to overachieve growth and revenue targets, Dorothy leads both the product and marketing teams to deliver product advancements that allow Zemax users to propel the optics industry forward.

Fast facts about Dorothy

  • She has a bachelor’s degree in Computer Science and master’s degree in Computer Systems.
  • Dorothy has specialized in a customer-centric model that integrates product strategy with marketing tactics to deliver exciting new product developments to new and long-time customers.
  • She has spent more than twenty years leading product and marketing team. Most recently Dorothy served as the Vice President of Product Management at the workforce scheduling startup Shiftboard.
  • Dorothy loves the outdoors and the beauty of the Pacific Northwest.  
  • When not day tripping to see the local area, Dorothy can be found with her family at the ballpark rooting for the Seattle Mariners or out sailing with her husband on Lake Washington and the Puget Sound.
Find Dorothy on LinkedIn.

Ove E. Schuett

Chief Revenue Officer

Develops and leads highly effective sales organizations
As Chief Revenue Officer, Ove oversees and is responsible for Zemax’s global revenue-generating sales and sales operations functions. With an extensive background of sales leadership, business development and operations, he has the experience and tools needed to expand Zemax’s footprint in the optical design software industry.

Fast facts about Ove

  • He has a master's degree in Computer Science from Technical University Hamburg in Hamburg, Germany.

  • Prior to Zemax, Ove spent nearly two decades in a variety of senior sales leadership roles at Dassault Systèmes.

  • Over the span of his career Ove has held operations, business development and sales leadership roles with Eigner and Partner, Engineering Animation Inc. aka EAI, and Schlumberger CAD/CAM.

  • Ove loves outdoor activities like fishing, biking, jogging, hiking and kayaking.

  • When indoors he enjoys music from Sergei Prokofiev, Miles Davis, Lady Gaga…

Find Ove on LinkedIn.

Sanjay Gangadhara

Chief Technology Officer

Defines how technological innovation is used in helping customers bring optical products to market faster
Tasked with identifying new technology that increases the functionality and capability of all Zemax software solutions, Sanjay leads a cross-functional team of computational physicists and software development engineers. His background in general physics, electromagnetism, and optical system diagnostics has served him well in his various roles at Zemax, including optical scientist, senior analyst, director of research and development, and now CTO.

Fast facts about Sanjay

  • He holds a bachelor’s degree in Chemical Engineering & Nuclear Engineering from UC Berkeley and a PhD in Nuclear Science & Engineering from MIT.

  • His young children have PhDs in being energetic.

  • In his youth, he was named “Most Improved Player” on both his Freshman and Junior Varsity high school football teams.

Find Sanjay on LinkedIn

Jeff deCillia

Chief Financial Officer

Serves as the financial steward for the company
Jeff’s focus at Zemax is driving growth and bottom-line results by infusing speed, flexibility, strategic thinking, and operational efficiency into the organization. Most recently he served as CFO of Donuts Inc., the operator of the largest number of the Internet’s top-level domain names. Prior to that he served as CFO of INRIX, Inc., a global traffic intelligence platform, where he was a key player in the acquisition and integration of INRIX’s largest competitor, and managed significant international operations.

Fast facts about Jeff

  • He holds a bachelor’s degree from the University of Washington Michael G. Foster School of Business and earned his CPA license while working at Deloitte.

  • He enjoys traveling internationally and the food pleasures that such travel offers.

  • When not at work he can be found on the golf course, working out, or otherwise staying active.

Find Jeff on LinkedIn

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