News

FullStack Appoints Anton Tomchenko as Chief Executive Officer

Date: 29 Oct 2025

Category: Portfolio news

Leadership Transition to Accelerate AI-Led Growth

Bregal Sagemount (“Sagemount” or the “Firm”), a leading growth-focused private capital firm, and FullStack (“FullStack” or the “Company”), a leading software engineering and AI solutions company powered by AI-ready talent across the Americas, today announced the appointment of Anton Tomchenko as Chief Executive Officer. Tomchenko brings more than two decades of technology and leadership experience, highlighted by 18 years at EPAM Systems and subsequent executive roles at Hexaware Technologies.

Tomchenko has a proven track record of scaling global technology businesses and leading digital innovation across North America, EMEA, and APAC. He has driven impact through product engineering, composable architecture, and AI-led transformation. Over his career, Tomchenko has managed multi-hundred-million-dollar P&Ls, expanded regional operations, and launched GenAI-native platforms that have accelerated enterprise growth and contributed to multiple successful IPOs.

"I’m excited to join FullStack at such a pivotal time for the Company and industry. FullStack’s combination of deep engineering expertise, AI-ready talent, and a customer-first culture positions it to help businesses modernize and scale faster. I look forward to working with the team to accelerate innovation and deliver long-term success for our clients."

Anton Tomchenko

CEO - FullStack

Former CEO Benjamin Carle will remain at the Company. Throughout his tenure, Carle held several key roles, including Vice President of Software Development and CIO, before serving as CEO.

"Anton’s track record of building high-performing teams, fostering innovation, and driving growth at scale makes him the ideal leader to guide FullStack through its next chapter. We are delighted to welcome Anton and thank Ben for his leadership and continued commitment to the Company."

Adam Fuller

Partner - Bregal Sagemount

Under Tomchenko’s leadership, FullStack plans to further expand its initiatives within AI and emerging technologies to deliver next-generation software solutions that drive measurable business outcomes for its clients.

About FullStack:

FullStack helps leading organizations modernize, innovate, and scale through AI-enabled software engineering and exceptional AI-ready nearshore talent. Combining deep engineering expertise, consulting on AI-native transformation, and the development of bespoke agentic systems and digital platforms, FullStack empowers more than 400 global brands to accelerate innovation and achieve lasting business impact. For more information, visit the FullStack website: www.fullstack.com or follow us on LinkedIn.

About Bregal Sagemount:

Bregal Sagemount is a leading growth-focused private capital firm with more than $7.5 billion of cumulative capital raised. The firm provides flexible capital and strategic assistance to market-leading companies in high-growth sectors across a wide variety of transaction situations. Bregal Sagemount has invested in over 70 companies in a variety of sectors, including software, information / data services, financial technology & financial services, digital infrastructure, healthcare IT, and business & consumer services. The firm has offices in New York, Palo Alto, and Dallas. For more information, visit the Sagemount website: www.sagemount.com or follow us on LinkedIn.

Contact:

For FullStack
Cameron Wooley
Head of Marketing
cwooley@fullstacklabs.co

For Bregal Sagemount
Siqi Wu
Marketing and Communications Manager
siqi.wu@bregal.com