As immigrants ourselves, we have a deep understanding of your goals and the immigration process. We develop a customized strategy for every case, whether you’re applying for an EB-1A green card, O-1 visa, or other U.S. immigration programs.
Sergey Tumakha
Chief Operating Officer
Sergey has been refining business processes, market focus, culture, and operational standards at Stelmakh & Associates since 2008. With a PhD in Electrical and Computer Engineering and an MBA from The Wharton School, Sergey uniquely blends high-tech expertise with entrepreneurial and strategic business management skills.
Sergey held significant roles in leading corporations like Amazon and Microsoft and drove initiatives in privacy-preserving technologies. His substantial experience in technology, including founding and managing startups, equips him with a deep understanding of the challenges faced by entrepreneurs, particularly tech founders. Sergey’s leadership extends beyond internal management to directly influencing the success of clients seeking O-1 Work Visas, EB-1 Green Cards, and EB-2 NIW petitions. His direct experience with the challenges of innovation and leadership in the tech industry drives his dedication to assisting clients in navigating intricate immigration processes.