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Sergey Khaladzinski
CTO / FCTO / Tech Advisor
New York, NY, US
About
A seasoned technology leader with over two decades of experience, specializing in building high-performing teams and delivering impactful solutions by focusing on people, processes, and products. As an entrepreneur, Sergey has co-founded multiple startups, blending his firsthand experience with his role as a trusted advisor to other founders, helping them overcome technical challenges and scale their ventures with confidence.
In his career as a CTO, Sergey has transformed failing products into scalable SaaS solutions, assembled and led fully remote teams across North America and Europe, and spearheaded the development of cutting-edge fintech innovations, including touchless payment systems tailored for highly regulated industries.
Known for his hands-on leadership and human-centric approach, Sergey is passionate about empowering startups to grow efficiently, conserve resources, and achieve technical excellence. Outside of his professional work, he shares insights on his blog, drawing from his unique journey as a founder, a father and a technology leader.
Ask me about
Work experience
- January 2019 – present
The Helios Companies, LLC
Chief Technology Officer - June 2017 – February 2019
Hbo
Sre / Dre - February 2013 – June 2017
Mansueto Ventures
Operations - February 2010 – February 2013
Mansueto Ventures
Senior Web Developer - March 2008 – March 2010
Mansueto Ventures
Web Developer - February 2007 – March 2008
Oddcast
Software Engineer - January 2004 – January 2006
b.s.electronics Corp
PHP Developer
Education
- 2001 – 2006
State Technical University, Brest, Belarus
Bachelors, Bachelor of Science