/Investor DB

LuminarX

Institutional investor

New York · 26 people tracked

Also known as Luminarx Capital Management Lp

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Investment thesis

LuminArx Capital Management pursues capital solutions investing, seeking to deliver consistent returns across varying market cycles while emphasizing capital preservation and downside protection. The firm targets low correlation to traditional markets alongside upside participation, mitigating downside risk through a disciplined, structured investment process. LuminArx draws on a broad ecosystem of relationships spanning banks, corporations, governments, and insurance companies, and partners with leading institutional investors worldwide. Its expertise centers on structuring and risk management, positioning the firm to provide innovative, flexible, and strategic capital solutions to counterparties across the globe.

Invests inGlobalNew York

Source: firm website, verified Oct 13, 2026.

HQ
New York, NY, US
Last 12 months
1 investment
AUM
$4.5B
Tracked investments
4
Unicorns
1

Team · 26 people

from the firm's website
Gideon Berger· Co-Founder and Chief Executive Officerin

Gideon Berger is Co-Founder and CEO of LuminArx Capital Management, which he launched in 2023. He previously served as a Senior Managing Director and Co-Chief Investment Officer at Blackstone Alternative Asset Management (BAAM), where he chaired the Investment Committee and helped expand the business from a fund of funds to a broader hedge fund solutions provider. Earlier in his career he co-founded a logistics technology startup, Ez-Ways.com, and he holds degrees from Vassar College, Columbia University, and a PhD in Computer Science from NYU's Courant Institute.

Min Htoo· Co-Founder and Chief Investment Officerin

Min Htoo is Co-Founder and Chief Investment Officer of LuminArx Capital Management, which he helped launch in 2023. He previously served as a Senior Managing Director and Co-Chief Investment Officer at Blackstone Alternative Asset Management, and earlier founded and led Anandar Capital Management. His earlier career included roles as a day-one Partner and Senior Portfolio Manager at Magnetar Capital, Analyst at Och-Ziff, Portfolio Manager at Citadel, and work in M&A at Morgan Stanley; he holds a BA in Business Economics from Brown University.

Greg Bilse· Partner, Investment Team

Greg Bilse is a Partner on the Investment Team at LuminArx Capital Management. He previously served as a Managing Director at Blackstone Alternative Asset Management, where he evaluated and monitored hedge fund managers across equity, event-driven, and other strategies, and earlier held roles at Oak Pension Asset Management (Barclays Pension Fund) in London and Deutsche Bank in New York. He holds a Bachelor of Science in Physics from McGill University.

Joshua Diamant· Partner and Portfolio Manager for Capital Markets

Joshua Diamant is a Partner and Portfolio Manager for Capital Markets at LuminArx Capital Management. Before LuminArx, he served as Head Trader and Risk Manager for a consumer-focused team at J. Goldman LP, worked as an equity derivative and volatility trader at Nomura Securities, and was Head Trader and Partner at Tourbillon Capital Partners. He holds a Bachelor of Arts in Psychology from Emory University.

Rahul Mahajan· Partner, Marketing Team

Rahul Mahajan is a Partner on the Marketing Team at LuminArx Capital Management, working in sales and marketing for alternative investment products. He previously served as a Managing Director on the Investor Solutions team at CIFC Asset Management and spent over nine years at Deutsche Bank leading its Emerging Manager Group, with earlier roles at HSBC and Barclays. He holds an MBA in Finance from the University of Maryland, College Park, and a bachelor's degree in Mechanical Engineering from M.S. University of Baroda, India.

Richard Kearney· Partner, Investment Teamin

Richard Kearney is a Partner on the Investment Team at LuminArx Capital Management. He previously served as Portfolio Manager for the Credit Opportunities Funds at Veritas Capital, and earlier held senior investing roles at Reef Road Capital and Marblegate Asset Management focused on distressed, special situation, event-driven, and relative value credit. He started his career at Lehman Brothers and later worked as a credit analyst and trader at Barclays in New York and London, and holds a B.A. and M.A. from Yale University.

Sanjeev Mordani· Partner, Investment Teamin

Sanjeev Mordani is a Partner on the Investment Team at LuminArx Capital Management. Before joining the firm, he was Global Co-Head of Private Credit Markets & Solutions within the Financing & Securitization business at Citigroup, and earlier served as Americas Head of Structured Finance in the Chief Investment Office at Barclays and handled cross-asset solutions at Bank of America Merrill Lynch. He holds a BA from Delhi University and an MBA from the Kellogg School of Management.

Tanisha Bellur· Partner, Investment Teamin

Tanisha Bellur is a Partner on the investment team at LuminArx Capital Management. She previously oversaw corporate development and M&A at ONE, a fintech joint venture between Walmart and Ribbit Capital, and before that was Head of Equities at Blackstone Alternative Asset Management, where she worked on public equities, late-stage growth equity, and hedge funds. Earlier in her career she held investment roles at hedge funds including Blue Harbour Group and Amici Capital, and started out at Goldman Sachs in banking and private equity. She holds a BA in Chemistry and Economics from Dartmouth College.

AJ Weinberg· Vice President, Investment Teamin

AJ Weinberg is a Vice President on the investment team at LuminArx Capital Management. He previously worked as an investment professional at One Investment Management, was a private equity associate in the technology, media, and telecommunications group at GTCR, and started his career at the Raine Group. He holds a Bachelor of Arts from the University of Pennsylvania.

Alex Linsday· Vice President, Investment Teamin

Alex Linsday is a Vice President on the investment team at LuminArx Capital Management, where he works across the capital structure with an emphasis on asset-based financings and structured credit. He was previously a Senior Associate at the private equity firm Flexpoint Ford, working on its Asset Opportunities fund, and earlier held roles as a Senior Analyst in Citigroup's Global Structured Debt group and as an analyst in Deloitte's securitization advisory group. He earned a Bachelor of Science in Quantitative Finance from James Madison University.

Anatoly Fedorko· Vice President, Investment Team

Anatoly Fedorko is a Vice President on the Investment Team at LuminArx Capital Management. He previously worked on the Investment Team at Blackstone's Multi-Strategy fund (BXMS), where he led Portfolio and Risk Management, underwrote global macro investments for the Blackstone Multi-Asset Investing platform, and oversaw macro overlay and tail risk strategies. Earlier in his career he was a USD rates options trader at Deutsche Bank and an EM credit derivatives trader at Morgan Stanley, and he holds a Master's in Quantitative Economics and Econometrics from Duke University.

Andrew Fitch· Managing Director, Investment Teamin

Andrew Fitch is a Managing Director on the investment team at LuminArx Capital Management, with a background across fixed income investing, sales and structuring, and risk management. Before LuminArx, he was a Senior Director in the Structured Credit group at ORIX Corporation USA and previously held Vice President roles at Barclays Investment Bank and Bank of America Merrill Lynch. He earned a Bachelor of Science in Business Administration from the University of North Carolina Wilmington.

Anna Dawson· Head of Administrationin

Anna Dawson is the Head of Administration at LuminArx Capital Management. Before joining the firm, she worked as an executive personal assistant to the president of David Yurman and as Chief of Staff to the CEO at DMG Media, supporting high-profile individuals in the New York City area. She holds a Bachelor of Arts in Marketing from Ohio University.

Brad Fretti· Vice Presidentin

Brad Fretti is a Vice President at LuminArx Capital. Before joining the firm, he was a Vice President and Credit Analyst at PPM America, investing in liquid credit across sectors including technology, media, and non-bank financials, and earlier worked on the direct lending team at H.I.G. Capital across sponsor and non-sponsor transactions along with fund finance and corporate functions. He started his career in capital markets and FP&A at an early-stage fintech company, and holds an MBA from the University of Chicago and a BS in Economics from Florida Southern College.

Charles Thaler· Controller

Charles Thaler is the Controller at LuminArx Capital Management. He previously worked as a Senior Fund Accountant at Lone Pine Capital and held several roles on the finance team at Viking Global Investors, covering tax, fund accounting, and internal investor relations, and earlier worked at Deloitte on tax compliance for hedge fund and private equity clients. He holds an MBA with an accounting concentration from Loyola University Maryland and a Bachelors in Talmudic Law from Ner Israel Rabbinical College, and is a Certified Public Accountant.

Dan Schlemovitz· Credit Operations Directorin

Dan Schlemovitz is the Credit Operations Director of LuminArx Capital. He previously served as a Vice President at Blackstone Credit & Insurance, working on rated structures and ABF businesses, and earlier as a Vice President at PIMCO supporting the SSG and Insurance Solutions desks, where he worked on scaling the alternatives business and overseeing legal entity management. He holds a Bachelor of Science in International Business from Northeastern University.

David Kitchen· Managing Director, Senior Transaction Counselin

David Kitchen is a Managing Director and Senior Transaction Counsel at LuminArx Capital Management with over 30 years of experience across finance, restructuring, and corporate law. Before joining the firm, he was a partner at Skadden, Arps, Slate, Meagher & Flom LLP, then oversaw corporate finance as a senior attorney at Zillow, and later served as General Counsel at The Change Company and Builders Capital. He holds a Bachelor of Arts from Dartmouth College and a Juris Doctor from Loyola Law School.

Gilliam Hughes· Assistant Controller

Gilliam Hughes is the Assistant Controller at LuminArx Capital Management. He previously served as Vice President at Veritas Capital, handling accounting and operations for the Credit Opportunities Funds, and earlier worked at PricewaterhouseCoopers auditing alternative asset managers. He holds a Master's in Accounting with a concentration in business valuation from The College of William and Mary and a Bachelor of Science in Business Administration in Accounting from Christopher Newport University, and is a Certified Public Accountant.

Ivette Hurst· Junior Executive Assistant

Ivette Hurst is a Junior Executive Assistant at LuminArx Capital Management. Before joining the firm, she provided executive support, account management, and event coordination for fashion brands and senior leadership, most recently in retail and operations at Rachel Comey and previously in showroom operations and client accounts at AREA NYC in New York and Paris. She holds a Bachelor of Business Administration in Business Management from the Fashion Institute of Technology.

Joseph Leitao· Vice President, Operations

Joseph Leitao is Vice President of Operations at LuminArx Capital Management, where he oversees operational infrastructure and reporting for the firm's special situations investment strategies. He previously held operations, risk, and reporting roles at Covara Capital, Antara Capital, Lombard Odier Investment Management, Enventure Partners, Perry Capital, Morgan Stanley, and Penn Federal Savings Bank. He earned an MBA from the Lisbon MBA (MIT Sloan with Universidade Católica Portuguesa/Nova School of Business & Economics) and a B.A. in Political Science from Montclair State University.

Justin Neuman· Legal Counsel and Chief Compliance Officerin

Justin Neuman is Legal Counsel and Chief Compliance Officer at LuminArx Capital Management. He previously served as Counsel at D1 Capital Partners, where he worked on the firm's legal and compliance functions, and earlier as an Associate in the Private Funds Group at Paul, Weiss, Rifkind, Wharton & Garrison. He holds a B.S. in Business and Management from Johns Hopkins University and a J.D. from Columbia Law School, and is admitted to the New York State Bar.

Katherine Chan· Chief Strategy Officerin

Katherine Chan is Chief Strategy Officer at LuminArx Capital Management. She previously served as a Managing Director at Blackstone Alternative Asset Management, where she worked as an investment deal lead in the Special Situations Investing Group, and earlier held roles as a Portfolio Manager at Millennium Management and at hedge funds including Magnetar Capital and HG Vora Capital. She started her career in Credit Suisse First Boston's Global Energy Investment Banking practice and holds a BA in Linguistics with a secondary in Human Evolutionary Biology from Harvard University.

Rick Li· Vice President, Investment Teamin

Rick Li is a Vice President on the Investment Team at LuminArx Capital Management, with experience investing across the capital structure in distressed, special situations, and private equity strategies. He was previously a senior associate at Arsenal Capital Partners and an investment professional at The Carlyle Group, and began his career at Goldman Sachs in the Natural Resources group. He holds a BBA in Accounting and a Master in Accounting from The University of Texas at Austin.

Robert McEwan· Chief Operating Officer and Chief Financial Officerin

Robert McEwan is the COO and CFO of LuminArx Capital Management. He previously served as CFO of Nopetro, a decarbonization energy company, and as CFO of H.I.G. Capital's credit platform, and earlier was Managing Director and COO of Blackstone Alternative Asset Management's special situations direct investing platform. He began his career as a Senior Manager in Ernst & Young's Asset Management practice in New York and holds a Bachelor of Accountancy from the University of Glasgow and a Master's in Finance from the University of Strathclyde.

Ryan Matthews· Analyst, Capital Marketsin

Ryan Matthews works as an Analyst for Capital Markets at LuminArx Capital Management. He was previously an Investment Banking Associate at Goldman Sachs in Equity Capital Markets Origination covering industrials and business services, and before that worked on the Equity Capital Markets Syndication desk at J.P. Morgan handling equity and equity-linked new issuance such as IPOs, follow-on offerings, block trades, and convertible debt. He holds a BA in Government from Cornell University and is a CFA Charterholder.

Thomas Risinger· Vice President, Investment Teamin

Thomas Risinger is a Vice President on the Investment Team at LuminArx Capital Management. He previously worked at Onex on the Transportation Partners team, underwriting equity investments in the transportation and industrials sectors, and was a Senior Associate on Napier Park's Real Assets team after starting his career at Citigroup. He holds a BA from Duke University.

What they invest in

from 3 of 4 portfolio companies

Fintech ×2SaaS ×2AI & Machine Learning ×1Digital Health ×1Healthtech ×1InsurTech ×1

HQs:United States×3United Kingdom×1

Investments · 4 tracked

founders shown can be your intro path
Aboundgetabound.comin

Abound provides AI-based lending technology that spans underwriting to collections, offering affordable consumer loans and letting partner lenders launch their own lending products.

AI & Machine LearningFintechSaaSUK, GB

Dr. Michelle He(Co-Founder & COO)inGerald Chappell(Founder)inAlex Cram(Founder)Chris Labasky(Founder)Chris van Vleit(Founder)Michelle He(Founder)

Co-investorsInformed Ventures Advisors, LlcK3 VenturesK3V VenturesChaos VenturesCircle VenturesNear Foundation+2 more

Aboundwithabound.com

Abound, based in the United States, offers an API platform for tax estimation, withholding, and filing aimed at independent workers.

Fintech

Alex CramChris LabaskyChris van VleitTrent Bigelow

Co-investors500 GlobalPoint72 VenturesWaterfall Eden

Bridgeusebridge.comin

Bridge provides billing and compliance infrastructure for telehealth and healthcare practices, handling insurance logistics and administrative workflows so providers can focus on patient care.

Digital HealthHealthtechInsurTechSaaS

Keaton Bedell(Founder)in

Co-investorsHeadwater VenturesMischief

Sierra Spacesierraspace.comMar 2026 · $550M

Space company developing the Dream Chaser commercial spaceplane and the LIFE habitat for a next-generation LEO space station.

Broomfield, US

Fatih Ozmen(Director)inEren Ozmen(Director)inDan Jablonsky(Executive Officer, Director)inTroy Lahr(Executive Officer)inKelly Garehime(Executive Officer)

BoardCyrus Behbehani(Director)

Co-investorsAE Industrial PartnersBoeing HorizonX VenturesCoatue ManagementGeneral AtlanticIndustrious Ventures

Portfolio news

latest coverage across their companies

Fund performance · per public LP disclosures · 2

as of Feb 2024
FundVintageCommittedNet IRRTVPIDPI
Luminarx - McaLPs: San Bernardino County Employees Retirement Association——0.0%——
Luminarx Oas FundLPs: San Bernardino County Employees Retirement Association——0.7%——

Source: public limited-partner disclosures (CalPERS, CalSTRS). Net IRR / TVPI / DPI as reported by the limited partner; a fund's early-year IRR is an interim estimate (J-curve).

Frequently asked questions

Where is LuminarX located?
LuminarX is headquartered in New York, US.

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