Mike Tenenboym represents multinational corporations with respect to US federal income tax matters and international tax planning. As part of his planning practice, Mike provides structuring advice in connection with corporation transactions such as spin-offs and acquisitions. He advises clients across multiple industries, including aerospace, defense, semiconductor, high tech, pharmaceutical and telecommunications, among others.
Mike focuses his practice on business taxation and has considerable experience advising clients on income tax and accounting issues, such as the timing of income accrual and the deductibility and capitalization of expenses. Mike also routinely advises clients on the US research tax credit and the semiconductor tax credit. Separately, he regularly handles tax policy matters, testifying at US Department of the Treasury and Internal Revenue Service hearings and authoring comment letters in connection with regulatory guidance.
- Best Lawyers: Ones to Watch in America, Tax Law, 2026-2027
- American Bar Association, member
- Chicago Bar Association, member
- Indiana University Maurer School of Law, JD, cum laude
- Indiana University, MBA, magna cum laude
- State University of New York at Geneseo, BA
- Illinois

Andrew B. Lehman
Andrew (Andy) B. Lehman advises clients in complex mergers and acquisitions, joint ventures, structured equity transactions and management equity arrangements. He represents clients in an array of industries, including conventional and renewable energy, information technology, healthcare, manufacturing, consumer products and financial and business services.
- Represented a public company acquirer in three separate stock-for-stock mergers involving an aggregate transaction value in excess of $2 billion*
- Represented a global private equity group in its buyout of another financial sponsor’s equity interest in a chemicals distribution and storage concern and related joint venture arrangement*
- Advised a financial sponsor in connection with multiple structured equity investments, including its $750 million preferred equity investment in an acquisition vehicle created to acquire oil and gas assets and subsequent recapitalization of the investee company and its $500 million growth investment in a midstream enterprise*
- The Best Lawyers in America, Corporate Law, 2023-2024
- The University of Texas School of Law, JD, cum laude
- University of Chicago, MA, magna cum laude
- Vanderbilt University, BA
- Texas
- English
- Spanish

Frédéric Pradelles
Frédéric Pradelles focuses his practice on French and European competition law. He regularly advises international clients in abuse of dominance cases, cartel investigations and on distribution matters, notably in the context of litigation before the French and European competition authorities and courts.
Frédéric also advises clients in global, European and national merger control cases, including Phase II cases. He has extensive experience in the notification of strategic alliances and joint ventures as well as negotiating innovative remedies to secure antitrust approval for the deals on which he advises.
On the litigation side, Frédéric represents clients before the French competition authority, the French Government antitrust agency (DGCCRF) and the European Commission. He also regularly appears as a litigator before the courts in France and the European Courts in Luxembourg. Frédéric has extensive experience in summary proceedings in the field of antitrust, and in interim measures and commitments proceedings before the French Competition Authority.
Frédéric advises clients active in various industries, particularly in the retail, services, transportation, media, hospitality, information technology and banking/finance sectors.
- Representing a company in the context of a cartel investigation by the French Competition Authority (FCA) in the IT sector
- Assisting companies in the context of FCA investigation in the food and non-food product sectors
- Representing a company before the Paris Court of appeal following the FCA fining decision in the concrete sector
- Representing a company during investigations led by the DGCCRF and criminal prosecution regarding alleged unfair commercial practices
- The Legal 500 EMEA, Recommended, 2022-2026
- The Best Lawyers France, 2016-2026
- Chambers France, Competition/European Law, 2026
- Global Competition Review, GCR 100, 2025
- Chambers Europe, France: Competition/European Law, 2022-2024
- Thomson Reuters, Stand-out Lawyer – independently rated lawyers, 2023
- APDC (Association des avocats Pratiquant le Droit de la Concurrence), Member
- AFEC (Association Française d’Etude de la Concurrence), Member
- Paris-Panthéon-Assas University
- Paris-Panthéon-Assas University
- Paris
- English
- French

Morgan A. Pollard
Morgan A. Pollard focuses her practice on regulatory and transactional matters affecting health industry clients. Morgan advises clients on various transactional matters, including mergers and acquisitions, corporate governance, joint ventures and other strategic alignments. She also advises clients on healthcare regulatory compliance matters, including fraud and abuse and corporate practice of medicine.
While in law school, Morgan held a research clerkship with Lori A. Ringhand and served as an editor for the Georgia Law Review.
- Best Lawyers: Ones to Watch in America, Health Care Law, Leveraged Buyouts and Private Equity Law, 2026-2027
- University of Georgia School of Law, JD, cum laude
- University of Mississippi, BA, magna cum laude, Sally McDonnell Barksdale Honors College
- Georgia

Gregory R. Mitchell
Greg Mitchell works with healthcare payors and providers to meet the full spectrum of their managed care and reimbursement arrangement needs. He helps managed care organizations, third-party administrators, independent practice associations (IPAs), risk-bearing entities, management services organizations, hospitals and health systems, digital healthcare providers, and other organizations both large and small negotiate and draft a range of managed care and value-based agreements. Greg has experience with a variety of arrangements and models, including fee-for-service, bundled payment, shared savings and shared loss models, gainsharing and capitation arrangements.
- Providing managed care support to a large population health management provider focusing on social determinants of health, including ongoing contracting support for total cost of care risk arrangements with payors, state-by-state financial risk assumption, and federal and state managed care-related compliance support.
- Assisting statewide payor organization in its value-based contracting initiatives, including advising on drafting and negotiating value-based agreements with hospitals, physician groups and digital health providers.
- Advised various digital health providers in negotiation of risk-based reimbursement arrangements with various national payors.
- Chambers USA, Healthcare, 2026
- Legal 500 US, Recommended, 2025
- Best Lawyers: Ones to Watch in America, Healthcare Law, 2021-2026
- Emory University School of Law, JD
- Union Graduate College & Mount Sinai School of Medicine, MS
- Union College, BA, cum laude
- New Jersey
- New York
- US District Court for the Eastern District of New York
- US District Court for the Southern District of New York

David Kiefer
David (Dave) Kiefer focuses his practice on litigation and arbitration matters arising out of construction and energy disputes over large, international infrastructure projects, including megaprojects valued in the billions of dollars. He is widely recognized for his depth of experience and knowledge of the technical and commercial aspects of construction projects, as well as his advocacy skills. Respondents reporting to Chambers USA (2026) note that Dave is “a master of his domain in construction litigation and arbitration,” brings “pragmatic commercial sense” and is “fantastic at cross-examination.”
- Represented an owner of a $10 billion dollar LNG export facility in two ICC arbitrations against an EPC contractor over the design and construction of the facility. Advised owner pre-arbitration on issues related to schedule, cost overruns and productivity
- Representing an Italian multinational contractor and its Russian subsidiary in an ICC arbitration over claims of wrongful termination arising out of the design and construction of a fertilizer plant in Russia
- Obtained a $1 billion award on behalf of an owner of a $8 billion Colombian oil refinery in an ICC arbitration against an EPC contractor*
- Chambers USA, International Arbitration: Counsel, 2025-2026
- Best Lawyers in America, Commercial Litigation, (2013-2025 and 2027), Energy Law, 2027
- Legal 500, Real Estate and Construction, 2016; International Arbitration, 2024-2025
- Who’s Who Legal, Construction, 2019
- New York City Region of the Society of Construction Law, North America, co-chair
- George Washington University Law School, JD
- Lafayette College, BA
- District of Columbia
- New Jersey
- New York
- English

Andrew M. Granek
Andrew M. Granek focuses his practice on US and international tax matters. Andrew’s practice includes advising corporate and private equity clients on domestic and cross-border mergers and acquisitions, inversions, financings and restructurings.
- Best Lawyers: Ones to Watch in America, Tax Law, 2026
- Legal 500 US, Recommended, 2025
- Brooklyn Law School, JD
- Queens College, City University of New York, BA, summa cum laude
- New York
- New Jersey

Michael T. Nowicki
Advises private equity, founder-backed, and provider-side clients on complex healthcare M&A
Advises on acquisitions, divestitures, joint ventures, minority investments, recapitalizations, and restructurings
Counsels boards and management teams on governance, financing, and securities matters
Michael (Mike) T. Nowicki focuses his practice on complex mergers and acquisitions (M&A), primarily in the healthcare industry. He represents private equity sponsors, founder-backed businesses, hospitals, health systems, physician practices, management services organizations (MSOs), and nonprofit organizations in various strategic transactions, including M&A, divestitures, joint ventures, affiliations, minority investments, partnerships, recapitalizations, and restructurings. To date, he has advised on completed transactions with an aggregate value exceeding $90 billion.
Mike is a trusted advisor to boards of directors and executive management teams. His broader corporate practice includes advising on taxable and tax-exempt bond offerings, equity issuances, and other securities law matters, as well as general corporate governance matters.
Healthcare M&A and strategic transactions
- Represented Geisinger Health in its affiliation with Kaiser Permanente, under which Geisinger became the founding health system of Risant Health
- Represented Steward Health Care in its Chapter 11 restructuring, which was among the largest healthcare-provider bankruptcies in US history and involved more than $9 billion in liabilities and the sale of 29 hospitals across eight states
- Represented WindRose Health Investors in various matters, including its:
- Acquisition of Dragonfly Health (formerly StateServ Medical), a provider of durable medical equipment benefit-management solutions to the post-acute care market
- Acquisition of Workplace Options, a global provider of integrated employee-wellbeing solutions
- Acquisition of Avalon Healthcare Solutions, a clinically driven diagnostic benefit management platform
- Sale of Workplace Options in a transaction valued at approximately $425 million
- Represented Curation Health, a value-based care clinical decision support platform, in its sale to Reveleer
- Represented Blue Sea Capital in various matters, including its acquisition of SIMKO Specialty Dental to form Specialty Smile Partners, a multistate orthodontics and pediatric dentistry MSO
- Washington University School of Law, JD, magna cum laude, Order of the Coif
- Boston University, BA
- Florida
- New York

Mary R. Waller
Mary Waller represents private equity firms and their platform companies, as well as health systems, clinical practices, and other health industry clients, in a variety of transactions and regulatory matters. She advises healthcare clients through the full lifecycle of complex transactions, including mergers and acquisitions, private equity investments and divestitures, management and professional service arrangements, corporate reorganizations and joint ventures. She has advised on physician practice management and ASC transactions in several specialized areas, including urology, cardiology, and dentistry.
Mary offers nuanced, actionable regulatory advice to clients as they navigate compliance issues, including facility licensing, reimbursement, and corporate practice of medicine laws, as well as other legal, regulatory, and business issues that impact healthcare providers.
- Fellowships at Auschwitz for the Study of Professional Ethics, Steering Committee
- American Health Lawyers Association, Member
- Illinois Association of Healthcare Attorneys, Mentorship Committee
- The Cara Collective, Executive Council Member
- University of Michigan Law School, JD, summa cum laude
- University of Southern California, BA
- Illinois
- English
- Spanish

Ming Lei
Ming Lei advises clients on domestic and international merger, divestitures and acquisitions, joint venture, private equity investments, project finance and development and complex commercial contracts in all aspects of the energy and infrastructure business, including marine terminalling and storage, oil and gas exploration, oilfield services, midstream pipeline, refinery and petrochemical and renewable and energy transition.
Pipelines and Other Midstream Business
- Represented Stonepeak Infrastructure Partners in its $3.6+ billion acquisition of substantially all of the assets of Oryx Southern Delaware Holdings LLC and Oryx Delaware Holdings LLC, which comprises of, among others, crude oil gathering and transportation system with approximately 1,200 miles of in-service and under-construction pipeline that across the core of the Delaware Basin*
- Represented Ridgemont Equity Partners in its joint venture investment with Denham Capital Management and the Ontario Power Generation Inc. Pension Plan to back WhiteWater Midstream, MPLX LP and West Texas Gas, Inc. to provide natural gas liquids takeaway capacity from MPLX and WTG gas processing plants in the Permian Basin to the natural gas liquids fractionation hub in Sweeny, TX*
- Represented UBS Investment Bank, as financial advisor to NuStar Energy, in its $1.5+ billion acquisition of Navigator Energy Services, LLC which owns crude oil transportation, pipeline gathering and storage assets in the Midland Basin*
- The Best Lawyers: Ones to Watch in America, Energy Law, 2023-2024
- Legal 500, Industry Focus: Energy Transactions: Oil and Gas, 2021
- Institute for Energy Law (IEL) Leadership Class, 2022 to present
- Asian American Bar Association of Houston, Corporate Counsel Committee, co-chair, 2020 to 2021
- Duke University School of Law, JD
- Wuhan University, BA
- Texas
- China
- New York
- English
- Chinese (Mandarin)
