Oleg Zubarev

Managing Director
25+ years of experience in consulting and industry
Expertise in pre-deal work
Works with PE clients and portfolio companies
London
@alvarezmarsal
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Oleg Zubarev is a Managing Director with Alvaraz & Marsal Private Equity Performance Improvement in London.

Mr. Zubarev specializes in pre-deal work, leading buy- and sell-side commercial and operational due diligence projects for private equity clients, as well as improvement programmes for portfolio companies. He has worked across a range of industries, including life sciences, chemicals, consumer, energy and infrastructure.

Prior to joining A&M, Mr. Zubarev spent 25 years in consulting and industry. He spent 13 years with Kearney, where he most recently helped build the Private Equity practice, having started in the chemicals and energy industry verticals.

Additionally, Mr. Zubarev has worked on 100+ transaction and led a number of large scale transformation projects for portfolio companies. Before Kearney, Mr. Zubarev worked with BP and JTI. He began his career as a tax consultant with Arthur Andersen.

Mr. Zubarev earned a bachelor’s degree in engineering and economics from St. Petersburg Engineering and Economics Academy and an MBA in economics and finance from the University of Chicago Graduate School of Business.

Insights By This Professional

As geopolitical uncertainty and AI disruption reshape the PE landscape, private equity investors are transforming how they evaluate deals. A new A&M report reveals the critical shift toward operational resilience, integrated diligence, and the tools redefining PE due diligence in today's volatile environment.
Defense investment is accelerating across multiple geographies, and the capital pursuing it is growing at a faster pace. Global venture capital investment in defense technology reached a record $49.1 billion in 2025, nearly double the previous year's total.
Global professional services firm Alvarez & Marsal (A&M) has enhanced its Commercial Due Diligence (CDD) capability with several new appointments to its Private Equity Performance Improvement practice.
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