Daniel O' Sullivan

  • Founder & CEO, Gyst Technologies

Dan O'Sullivan

Polytechnic Alumni Association - International Board of Directors (Term ending August 31, 2023)

Daniel O'Sullivan is the Founder and CEO of Gyst Technologies, a company specializing in software development for advanced user interfaces in the speech technology business. 

Dan has been an Entrepreneur and CEO for over 20 years. Prior to that, he worked at Bell Labs in New Jersey. He has several patents for his innovations in speech technology and software processes. He also started and successfully sold two technology startups and is now working on his third. 

Dan has an Electrical Engineering undergraduate degree from the Dublin Institute of Technology and a Master’s in Computer Science from NYU Polytechnic, now NYU Tandon School of Engineering, and was awarded two fellowships to teach Computer Science at NYU. He also took the graduate-level core requirement courses for a Master’s in Mathematics and in Electrical Engineering as his electives for his Master’s in Computer Science while at NYU. 

Dan is also the Programming Chair and a Director at the MIT Enterprise Forum of New York City. Dan’s professional experience includes technology-based innovation and IP development, software architecture and design, telecom, web and cloud-based development, product design, marketing and sales strategy, team leadership, corporate strategy, and deal-making. He is a high-integrity, decisive leader with a proven track record for success. He has deep contacts with entrepreneurs, executives, directors, developers, UI designers, IP counsel, and managers in science, technology, software, finance, speech, telecommunications, and web and mobile technologies. Dan is also an artist and musician and has completed two New York City marathons.

NYU Polytechnic School of Engineering '78

Master of Science, Computer Science