What stage does SigmaBleyzer invest at?

SigmaBleyzer invests at the Growth stage.

What is SigmaBleyzer's typical check size?

SigmaBleyzer typically writes checks of $5.4M – $54M.

Where is SigmaBleyzer located?

SigmaBleyzer is headquartered in Houston, US.

SigmaBleyzer

Private equity

Houston · Growth · 13 people tracked

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Find your way into SigmaBleyzer

329 people in our graph share verified history with the SigmaBleyzer team — schools, employers, funds. One of them is your warm intro.

Hannah Sealunlockedknows Jessica Bleyzer · together at Roland Berger Strategy Consultants (overlapped)

×8knows the team · via The University of Chicago Booth School of Business

×2knows the team · via Northwestern University

knows the team · via Roland Berger Strategy Consultants

✨ Fox Verdict

Investment thesis

SigmaBleyzer positions itself as a bridge between Western investors and the emerging markets of Eastern Europe, with almost three decades of on-the-ground experience in Ukraine. Through its family of funds, it gives institutional investors and high-net-worth individuals access to investment opportunities, leveraging deep expertise in navigating Ukraine's complex business and regulatory environment. The firm emphasizes creating long-term operational value for investors and portfolio companies via strategic guidance, operational support, monitoring and control, reporting, and access to global networks, rather than relying on financial engineering or leverage. It also offers advisory and consulting services and pursues social impact through affiliated nonprofits and NGOs.

Invests inAgTech Biotech Consumer Energy Fintech FoodTech Media & Entertainment Mobility & Transportation Retail TechSector AgnosticEurope Houston Kazakhstan Kyiv Romania Ukraine

Source: firm website, verified Aug 3, 2026.

Stage

Growth

Check

$5.4M – $54M

Houston, US

Instruments

Equity

Founded

1994

AUM

$1B

Tracked investments

Team · 13 people

from the firm's website & public directories

Oleg Ustenko· Executive Director, The Bleyzer Foundation

Executive Director of The Bleyzer Foundation since 2004, Oleg Ustenko is a prominent economist focused on transitional economies and currently serves as an economic advisor to Ukraine's president.

Lev Bleyzer· Chief Operating Officer, Founding Partner· Edinburgh, Scotland, United Kingdomin

A founding partner responsible for day-to-day operations, Lev Bleyzer built SigmaBleyzer's Ukrainian, Romanian and Kazakhstan infrastructure and led restructurings including Volia Cable and Poltava Confectionery.

l•••@sigmableyzer.comreveal

Michael Bleyzer· President and Chief Executive Officer, Founding Partner· Houston

Co-founder of SigmaBleyzer Investment Group in 1994, Michael Bleyzer was born in Kharkiv, Ukraine and educated in digital electronics and quantum physics before a 15-year finance and management career at Exxon and Ernst & Young.

m•••@sigmableyzer.comreveal

Valeriy Dema· Head of New Business Development, Founding Partner

Founder of SIGMA Financial Industrial Group in 1989, Valeriy Dema leads new business development and has been active in due diligence, acquisitions and exits for portfolio companies including AgroGeneration and Volia Cable.

Jessica Bleyzer· Partner· Chicago, Illinois, United Statesin

A partner focused on strategic initiatives and US back-office operations, Jessica Bleyzer rejoined in 2019 after an earlier associate stint and worked in consulting at Roland Berger; she holds an MBA from Chicago Booth.

Neal Sigda· Senior Partner

Joining in 1999 as a financial analyst, Neal Sigda is a partner and member of the Investment Committee who has worked across confectionery, dairy, telecom, software and agriculture and chairs the Internal Portfolio Review Board.

Rina Bleyzer O'Malley· Partner

With SigmaBleyzer since its launch, Rina Bleyzer O'Malley helped build the Houston headquarters and Ukrainian back office and serves as a director of the firm's Daar Foundation philanthropic arm.

Ryan O'Malley· Partner· Houstonin

Joining in 2009, Ryan O'Malley runs the Houston office, leads investor relations, and is CFO of the MagnaSci Family of Funds, having previously spent 15 years at Nordstrom.

Olga Shantyr· Vice President

With nearly 20 years of PE analytical experience, Olga Shantyr joined in 2004 as a financial analyst and is now Senior Corporate Governance Specialist at AgroGeneration.

Sergey Bulavin· CEO of AgroGeneration

CEO of AgroGeneration, SigmaBleyzer's largest portfolio holding, Sergey Bulavin joined SIGMA Fund in 1994 and became its Vice President in 1995.

Tamara Kirik· Vice President

Joining in 1997 as Head of Asset Management, Tamara Kirik specializes in investment analysis and valuation of Ukrainian companies and chairs the Supervisory Board of Dominik K (formerly Poltava Confectionery).

Vadim Bodaev· Director, Government Affairs, Ukraine

Joining in 2000 to manage the Ukraine office, Vadim Bodaev directs government relations and previously advised the Ukrainian Prime Minister and served in various Verkhovna Rada committees.

Yuriy Davydov· Director, Internal Controls

A certified stockbroker and investment analyst, Yuriy Davydov joined SIGMA Fund in 1993 and directs internal controls; he helped establish SIGMA Fund as a founding member of several Ukrainian stock exchanges.

What they invest in

from 1 of 4 portfolio companies

AgTech ×1FoodTech ×1

HQs:Ukraine×1

Investments · 4 tracked

founders shown can be your intro path

AgroGenerationagrogeneration.com

AgroGeneration is a Ukrainian agricultural commodities producer that cultivates, supplies, and exports grains and other agricultural products globally.

AgTechFoodTechKharkiv, UA

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

Poltava ConfectionerySevastopol ShipyardVolia Cable

Frequently asked questions

What stage does SigmaBleyzer invest at?: SigmaBleyzer invests at the Growth stage.
What is SigmaBleyzer's typical check size?: SigmaBleyzer typically writes checks of $5.4M – $54M.
What sectors does SigmaBleyzer focus on?: SigmaBleyzer focuses on AgTech, Biotech, Consumer, Energy, Fintech, FoodTech, Media & Entertainment, Mobility & Transportation, Retail Tech, Sector Agnostic.
Where is SigmaBleyzer located?: SigmaBleyzer is headquartered in Houston, US.

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