New York – 919 Third Avenue
Represents venture funds, strategic investors, private equity firms, asset managers and other investors in their venture and growth investment transactions.
Mike advises investors in private companies at all stages of development in the information technology, life sciences, financial services, energy/cleantech and telecommunications sectors. He also advises on PIPEs, at-the-market and similar financings for publicly listed companies.
He represents startups and growth-stage companies in a full range of financial and strategic transactions, including debt and equity financings, acquisitions and divestitures, joint ventures, licensing arrangements and other complex commercial matters.
- Chambers USA
- New York Metro Super Lawyers
- Columbia Law School, JD, James Kent Scholar, magna cum laude
- The University of Texas at Austin, BA
- New York
Lina E. Ziurys
New York – 919 Third Avenue
Represents private investment funds and investment advisers in connection with their structuring, formation and ongoing operational needs as well as general securities law, regulatory and compliance matters.
Lina advises on all aspects of fund formation, including seed and strategic investments, offering materials and operating agreements, side letters, co-investment vehicles, managed accounts and “funds of one.”
She represents both institutional and entrepreneurial investment managers of a range of private funds, including hedge funds, private equity funds, credit funds and funds of funds.
- Brooklyn Law School, JD, magna cum laude, Brooklyn Law Review, Executive Articles Editor
- Connecticut College, BA
- New York
Shawn R. McCune
New York – 919 Third Avenue
Focuses on the structuring, formation and operation of private equity funds, including buyout funds, venture capital funds, secondaries funds and real estate funds.
In addition to advising fund sponsors with respect to their operational needs, including management arrangements, succession planning and certain regulatory and compliance matters, Shawn represents sponsors in connection with their capital call borrowing facilities, co-investment vehicles, joint ventures, and investments in, and dispositions of, portfolio companies.
He has extensive experience representing a wide variety of fund sponsors and institutional investors across a variety of asset classes.
- Advises sponsors of private equity funds regarding structure, formation, marketing and ongoing operational issues and transactional matters across a variety of asset classes.
- Advises sponsors regarding incentive compensation arrangements, including carry-sharing arrangements.
- Advises sponsors and investors with respect to regulatory and compliance issues, including general securities laws matters.
- Boston University School of Law, JD, cum laude
- Middlebury College, BA
- New York
- New Jersey
Alexander M. Kim
New York – 919 Third Avenue
Advises on all matters relating to intellectual property/technology-related transactions, providing advice and counsel on privacy, data protection and cybersecurity-related matters.
Drawing on more than 20 years of experience, Alexander advises leading public and private companies, funds, investors and financial institutions on issues relating to intellectual property, privacy, data protection and cybersecurity that may arise in the context of acquisitions/divestitures, investments, public offerings, collaborations, joint ventures, research and development, licensing and other technology-related transactions as well as counseling clients on strategic intellectual property, privacy, data protection and cybersecurity matters.
He has broad experience across a wide spectrum of industries and technologies, including those in the fields of information technology, software, hardware, life sciences, insurance, financial services, information and data services, and retail services.
- Lexology Data 100, Recommended, 2026
- St. John''s University School of Law, JD, cum laude, John’s Law Review, Editor
- Columbia University, BS
- New York
Sara E. Solfanelli
New York – 919 Third Avenue
Sara harnesses the skills and unwavering passion of the firm’s lawyers to drive impactful and rewarding pro bono opportunities. Sara leverages the firm’s New York City resources to represent indigent individuals seeking justice, bring impact litigation for a more just and fair society, and develop strategic partnerships with international, national and local nonprofit organizations to enable them to better achieve their missions.
With her guidance, the firm provides trusted counsel to mission-driven organizations, including renowned global organizations such as Partners in Health, Innocence Project and Girls Who Code, and preeminent New York City nonprofits such as Sanctuary for Families, Figure Skating in Harlem, Urban Justice Center and New York Civil Liberties Union. Most recently, Sara spearheaded partnerships with Dress for Success, Pregnancy Justice, SAGE and Too Young to Wed, and impact litigation with Lawyers Committee for Civil Rights Under Law and the Southern Poverty Law Center.
Partners in Health (Trustee, 2025-present)
Community Resource Exchange (Board of Directors, 2021-present)
Foundation Rwanda (Director and Secretary, 2008-present)
Stand Up! Girls (Founding Board Member, 2018-present)
GO Project (Committed Saturday Volunteer Tutor, 2015-present)
Women’s Campaign International (Director of International Programs, 1999-2000)
- George Washington University Law School, JD, Member, The George Washington University Law School International Law Review, with honors
- College of William & Mary, BA
- New York
- Massachusetts
Donald J. Mosher
New York – 919 Third Avenue
Donald (Don) J. Mosher is the head of McDermott’s Bank Regulatory Group. Don’s practice focuses on the regulation, acquisition and sale of payments companies and money transmitters, licensing and registration of traditional and nontraditional money services businesses (including online transmitters, global B2B providers and cryptocurrency exchanges) and the laws and practices applicable to mobile, digital, virtual, electronic, paper- and card-based payment products and systems. He is widely recognized as one of the leading money transmitter regulatory lawyers in the nation. He is Chambers ranked Band 1 in Fintech: Payments & Lending and was ranked as one of the Top 25 Financial Technology Attorneys of 2025 by Attorney Intel.
- Thoma Bravo, the world’s largest software-focused investment firm, as bank regulatory counsel, in its acquisition of Dayforce, Inc. and its subsidiary, Dayforce National Trust Bank, for approximately $12.3 billion.
- TPG, a leading global alternative asset manager, as payments regulatory counsel, in its $2.2 billion acquisition of AvidXchange, alongside Corpay.
- Acrisure, a financial technology and insurance company, as payments regulatory counsel, in its $1.1 billion acquisition of Global Payments’ payroll business.
- Ripple, as payments regulatory counsel, in its $200 million acquisition of Layer2 Financial (Rail).
- 365 Retail Markets, a global leader in self-service retail technology, as payments regulatory counsel, on a definitive agreement to acquire Cantaloupe, Inc.
- Chambers FinTech – Band 1
- Chambers FinTech, USA Nationwide: FinTech Legal: Payments & Lending, 2026
- IFLR1000
- The Legal 500 US
- New York Super Lawyers
- American Bar Association
- Head of Bank Regulatory Group
- St. John's University School of Law, JD, cum laude
- Stony Brook University, BA
- New York
- English
Jason S. Kaplan
New York – 919 Third Avenue
Global Co-Head of Investment Management. Advises on corporate and securities matters for investment managers and alternative investment funds.
Jason represents institutional and entrepreneurial investment managers, financial services firms and private investment funds in all aspects of their business. He advises managers of hedge, private equity and hybrid funds regarding the structure of their businesses and on day-to-day operational, securities, corporate and compliance issues; structuring and negotiating seed and strategic investments and relationships and joint ventures; and advising investment managers with respect to regulatory and compliance issues.
Jason was named to the Business Insider’s “Ready To Launch” list, which identifies the 29 leading bankers, advisers and lawyers for hedge fund launches.
- Advise managers of hedge, private equity and hybrid funds regarding structure, formation and ongoing operational issues.
- Structure and negotiate seed and strategic investments.
- Advise investment managers regarding the structure of their investment management businesses, including carry-sharing arrangements and other incentive compensation systems.
- Represent investment managers and investors in the formation of special purpose acquisition vehicles and co-investment vehicles.
- Advise investment managers with respect to regulatory and compliance issues.
- Chambers Global
- Chambers USA
- IFLR1000 – Rising Star, Investment Funds
- The Legal 500 US
- New York Super Lawyers – Rising Star, 2014-2016
- Fordham University School of Law, JD, Fordham Law Review
- University of Michigan, BS
- New York
Josh Dambacher
London – One Eagle Place
Investment fund formation and structuring
Seed and strategic investments
UK and US regulatory compliance
Cryptoasset and digital asset funds
Investment manager acquisitions and reorganizations
Josh Dambacher advises investment managers, financial services firms, and private investment funds on corporate, securities, and regulatory matters across the full life cycle of their businesses.
His practice includes the structuring of investment management firms, hedge funds, private credit funds, venture capital funds, and private equity funds, along with seed and strategic investments.
He also counsels on UK and US regulatory compliance, acquisitions, and reorganizations of investment management firms.
Clients in the fintech market turn to him for cryptoasset and digital asset fund matters, and he serves in senior leadership roles at McDermott including in the Firm’s London office and Investment Funds Practice Group.
Ranked in
Chambers UK, Band 1, 2026
Ranked in
Legal 500 UK, Hall of Fame, 2025-2026
Ranked in
Chambers Europe, Band 1, 2025
- Advised a $70 billion private asset manager on many complex and cross-border ongoing fund matters
- Advised a London-based private credit asset manager on the spin-out of a global alternative asset manager’s European credit platform, taking over five closed-ended funds and launching an evergreen fund with aggregate assets of over $1.3 billion
- Advised a $10 billion fund manager on setting up offices in the US and Dubai
- Chambers UK, Investment Funds: Hedge Funds, 2011-2027, Investment Funds: Private Equity: Credit Funds, 2027
- Legal 500 UK, Hall of Fame, Hedge Funds, 2025-2027; Recommended, 2026-2027
- Chambers Europe, Investment Funds: Hedge Funds, 2025
- IFLR1000 (Market Leader)
- Best Lawyers (2021-2026)
- McDermott Will & Schulte Management Committee, member
- Co-Managing Partner, London office
- Co-Head of Investment Funds, London
- Previous Head of US Regulation Committee, Alternative Investment Management Association
- Previous Head of US Financial Reforms Working Group, Alternative Investment Management Association
- University of Michigan Law School, JD
- Purdue University, MBA, Phi Beta Kappa
- University of Missouri, BBA, with distinction
- New York
- Missouri
- Registered Foreign Lawyer (England & Wales)
- Southern District, New York
- Eastern District, New York
Ian L. Levin
New York – 919 Third Avenue
Atlanta
Partner in M&A and Securities Group and Employment & Employee Benefits Group. Advises on a broad range of executive compensation and employee benefits matters, including the associated tax, securities, corporate, employment and labor issues.
Ian routinely:
- Advises private and public companies, in particular private equity sponsors, regarding executive compensation and employee benefits issues arising in mergers and acquisitions, initial public offerings, joint ventures and other transactions
- Represents executives and management teams in negotiating employment and incentive compensation, particularly in connection with corporate transactions
- Advises clients as to the design and establishment of virtually all types of executive compensation, equity, deferred compensation and other benefit arrangements
- Advises companies and their boards regarding governance and disclosure requirements
- Represents lenders and borrowers in various corporate financing transactions
- Structures private equity and hedge funds and other investments in compliance with ERISA
- Mill Point Capital in its acquisition of the commercial refrigeration and foodservice equipment businesses of Fomento Económico Mexicano, S.A.B. de C.V. (NYSE: FMX)
- MGG Investment Group in the sale of a majority stake in MGG and its affiliates to Conning & Company, a subsidiary of Generali Investments, for $320M
- Mill Point Capital in its partnership with Proficium, Inc., a leading manufacturer of innovative products for commercial artificial intelligence infrastructures, hyperscale data centers and enterprise companies
- Soros Fund Management in a consortium’s $82.5M acquisition of BuzzFeed’s First We Feast, the production company behind the popular interview show “Hot Ones”
- Mill Point Capital in its acquisition of Seviroli Foods, Inc., a leading manufacturer of frozen pasta and other food products, and Vertullo Imports LLC, a leading specialty food importer
- Mill Point Capital and Seviroli Foods in their carve-out acquisition of the Italian food products portfolio of Ajinomoto Foods North America, Inc.
- Mill Point Capital in its carve-out acquisition of CrashPlan Group, a leading provider of cloud-based endpoint data backup and recovery software, from Code42 Software
- AS Birch Grove in its sale to Third Point LLC
- Velocity Clearing, a technology-driven, self-clearing broker/dealer, and its investors in an acquisition of a 75% stake by Hanwha Life Co., Ltd
- Lovell Minnick Partners in growth investment in S&S Health
- Lovell Minnick Partners in sale of National Auto Care to APCO Holdings, LLC, a portfolio company of Ontario Teachers’ Pension Plan
- WindAcre Partnership in investment in Nielsen Acquisition
- Czech Asset Management, L.P. in connection with Voya Financial’s acquisition of Czech Asset Management
- Associated Materials in its acquisition by funds managed by SVPGLOBAL
- XS Acquisition Portfolio LLC, an affiliate of Axar Capital Management LP, in a definitive arrangement agreement to acquire and take private XS Financial Inc.
- Executives of large publicly-traded private equity firm in connection with the negotiation of new employment arrangements and grant of equity awards
- CEO of a private company relating to a new employment agreement and equity rollover in connection with the sale of the company
- CEO-founder and other senior leadership team members of a Silicon Valley healthcare-focused company relating to new employment agreements on the acquisition of a majority stake by a private equity firm
- COO of NYSE-listed REIT on possible golden parachute issues arising from the REIT’s merger and new role at NYSE-listed spin-off
- Management team of a private equity portfolio company on the negotiation of a new equity incentive plan
- CarVal Investors L.P. in connection with AllianceBernstein’s acquisition of CarVal
- Veritas Capital in connection with its acquisition of Northrop Grumman’s Federal IT and Mission Support Services Business
- Veritas Capital in connection with its acquisition of Campus Management and Edcentric
- Cerberus and its portfolio company DynCorp International in connection with the sale of DynCorp to Amentum Holdings
- Veritas Capital in connection with its acquisition of DXC Technology’s US State and Local Health and Human Services Business
- Veritas Capital and its portfolio company Cambium Learning Group in connection with Cambium’s acquisition of Rosetta Stone
- Oak Hill Advisors in connection with the recapitalization of Associated Materials
- Albertsons Companies in connection with its initial public offering
- Senior Secured Noteholders in connection with a financial restructuring plan for Pace Industries
- Albertsons Companies in connection with Apollo Global Management, Inc.’s preferred equity investment in Albertsons
- Keane Group in connection with its merger with C&J Energy Services
- Cerberus in connection with its acquisition of Closure Systems from Reynolds Group
- Cerberus in connection with its acquisition of Off Lease Only
- Veritas Capital and its portfolio company Guidehouse in connection with Guidehouse’s acquisition of Navigant Consulting
- Veritas Capital and its portfolio company Cambium Learning Group in connection with Cambium’s acquisition of the AIR Assessment Division of the American Institutes for Research
- WMLP Secured Lenders in connection with its acquisition of Kemmerer coal mine and certain other assets in Westmoreland Bankruptcy Cases
- Veritas Capital and its portfolio company API Healthcare in connection with the sale of API Healthcare to Symplr
- Murray Energy Corporation joint venture in its acquisition of Mission Coal’s Oak Grove, Seminole Alabama and Maple Eagle mining complexes
- GCP Capital Partners and Transfast in connection with the sale of Transfast to Mastercard
- Veritas Capital and its portfolio company Virence Health in connection with Virence’s acquisition of athenahealth
- Marlin Equity Partners and its portfolio company Tangoe in connection with Tangoe’s acquisition of MOBI Wireless Management
- Veritas Capital in its acquisition of Cambium Learning Group
- Pamplona Capital Management in its sale of its portfolio company BBB Industries to Genstar Capital
- Priority Holdings LLC in connection with its combination with M I Acquisitions Inc., a special-purpose acquisition company
- Cerberus and TCW in connection with their acquisition of Patriot Service (now known as Carrier & Technology Solutions) through a Chapter 11 plan of reorganization
- Veritas Capital and affiliates in a “Reverse Morris Trust” transaction and merger with DXC Technology’s US Public Sector Business to form Perspecta, Inc.
- Veritas Capital in connection with its acquisition of GE Healthcare’s Enterprise Financial Management (Revenue-Cycle, Centricity Business), Ambulatory Care Management (Centricity Practice Solution) and Workforce Management (formerly API Healthcare) assets
- Veritas Capital in connection with its acquisition of PricewaterhouseCoopers’ US public sector business
- Marlin Equity Partners in connection with its acquisition of Bazaarvoice Inc.
- Cerberus in connection with its acquisition of certain assets of Club Exploria LLC and Club Exploria Resorts
- Marlin Equity Partners in its sale of OnX Enterprise Solutions to Cincinnati Bell Inc.
- Keane Group in connection with its acquisition of RockPile Energy Services
- Marlin Equity Partners in connection with its acquisition of Tangoe
- Keane Group in connection with its initial public offering
- Albert Fried & Company in connection with its acquisition by TD Securities
- Cerberus in connection with its acquisition of ABC Group Inc.
- Albertsons Companies in connection with its acquisition of 29 Haggen’s Grocery Stores
- Castle Harlan in connection with its sale of its portfolio company Baker & Taylor to Follett Corporation
- Veritas Capital in connection with the sale of its portfolio company Truven Health Analytics to IBM Watson Health
- Liberty Hall Capital Partners in connection with its acquisition of Bromford Industries
- Liberty Hall Capital Partners in connection with its acquisition of AIM Aerospace
- Home Meridian International in its sale to Hooker Furniture Corporation
- Keane Group in connection with its acquisition of a majority of the US assets of Trican Well Service Ltd.
- Veritas Capital in connection with its acquisition of Alion Science and Technology Corporation
- Liberty Hall Capital Partners in connection with its acquisition of La Croix Industries
- Orchard Brands Corporation in connection with its acquisition by Bluestem Group Inc.
- Tiptree Financial in connection with its acquisition of Reliance First Capital
- Marlin Equity Partners in connection with its acquisition of Fidelis Cybersecurity Solutions
- Albertsons Companies in connection with its acquisition of Safeway Inc.
- Chambers USA
- The Legal 500 US
- New York Super Lawyers
- Best Lawyers in America, Employee Benefits (ERISA) Law, 2026-2027
- Chair, Emory Law Advisory Board
- Chair, Emory Law School’s Center for Transactional Law and Practice Advisory Board
- New York University School of Law, LLM
- Emory University School of Law, JD
- Union College, BA
- New York
- Connecticut
- Georgia
David Arnstein
New York – 919 Third Avenue
David Arnstein focuses his practice on all types of corporate finance transactions. He represents lenders and borrowers in a wide variety of complex domestic and cross-border financings and credit arrangements, including acquisition financings, recapitalizations, asset-based and cash-flow facilities, working capital facilities, loan workouts, and debt restructurings.
David has significant experience representing direct lenders in private credit transactions.
- Legal 500 US, Recommended, 2025-2026
- Fordham University School of Law, JD
- University of Michigan, BA
- New York
- English
