Andreas Janßen focuses his practice on the area of trial.
During and after his studies, Andreas gained valuable experience as a legal research assistant at several international law firms in the field of Corporate/M&A as well as at one of the trial chambers of the International Criminal Court (ICC) in The Hague (Netherlands).
During his legal clerkship, Andreas worked as a trainee lawyer, inter alia, in the Bundestag Administration (Bundestagsverwaltung) with the Committee on European Union Affairs (Ausschuss für die Angelegenheiten der Europäischen Union). Furthermore, he completed his legal clerkship and elective clerkship at McDermott.
- Handelsblatt/Best Lawyers™, “Ones to Watch” in Germany: Litigation, 2027
- German Institution of Arbitration (DIS)
- DIS40 – Initiative of Young Arbitrators
- Higher Regional Court of Cologne, Second State Exam
- University of Cologne, First State Exam
- Berufskolleg Grevenbroich
- Germany
- German
- English

John Paul DeWitt
John DeWitt focuses his practice on complex commercial litigation. He represents clients in the management consulting and healthcare industries. John also maintains an active pro bono practice focused on civil rights litigation.
Prior to joining the firm, John honed his legal research and writing skills as a law clerk in the US District Court for the Western District of Michigan. In that role, he drafted opinions, researched complex legal questions and assisted the district judges with issues of statutory interpretation, constitutional construction and civil procedure.
During law school, John served as a managing editor of the Georgetown Immigration Law Journal and interned for Judges Theodore D. Chuang, George J. Hazel, and Roger W. Titus in the US District Court for the District of Maryland.
- Georgetown University Law Center, JD, cum laude
- University of Michigan, BS
- District of Columbia
- New York
- US District Court for the Eastern District of Michigan
- US District Court for the Western District of Michigan

Julien-Pierre Tannoury
Julien-Pierre advises private equity funds and companies on a broad range of corporate transactions, with a particular focus on private equity and M&A. He has extensive experience advising on domestic and cross-border mid-market transactions, including leveraged buyouts (LBO) and management incentive packages (MIP).
- Best Lawyers: Ones to Watch in France, Private Equity Law, 2027
- Université Paris I Panthéon-Sorbonne, Master II Banking & Finance Law
- Boston College Law School, LL.M. General Legal Studies
- Université Paris I Panthéon-Sorbonne, Master I International Law
- Université de Cergy-Pontoise, Licence French & Anglo-American Law
- Paris
- Arabic (Lebanese)
- English
- French

Jane Kim
Jane Kim focuses her practice on federal tax litigation and tax controversies. She has experience handling tax examinations, administrative appeals, tax litigations brought before the US Tax Court and US district courts, and a variety of complex commercial litigation matters. She also has experience handling investigations brought by the Internal Revenue Service (IRS), the Department of Justice (DOJ), and the Department of Labor (DOL).
- Korean American Bar Association of Chicago, Board of Directors
- Hanul Family Alliance, Board of Directors
- Coalition of Women’s Initiatives in Law
- University of Illinois College of Law, JD
- University of Illinois Chicago, BS, cum laude
- Illinois
- New York
- US Court of Appeals for the Seventh Circuit
- US District Court for the Northern District of Illinois
- English
- Korean
- Spanish

John A. Hunt
John A. Hunt counsels private equity sponsors, portfolio companies, financial institutions, agent banks, and other institutional investors and commercial borrowers on a broad spectrum of finance transactions. He has particularly deep experience in acquisition financings.
John represents clients in syndicated credit facilities, term loan and revolving loan facilities, senior and subordinated debt transactions, second lien financings, asset-based financings, secured and unsecured lending, and other forms of debt and equity financing.
- SMU Dedman School of Law, JD
- Texas Christian University, BBA
- Texas Christian University
- Texas
Ashley Ogedegbe
Ashley Ogedegbe provides regulatory and transactional counseling to healthcare providers, specialty physician practices, hospitals and health systems, and digital health companies, as well as investors in the healthcare industry. Within digital health she is particularly focused on the virtual care, telehealth, mobile health and consumer wellness sectors, advising organizations and their investors on a variety of legal, regulatory and compliance matters that can impact their business outcomes.
- Provided counsel on $2.2 billion physician-led buyout and recapitalization of the nation’s largest gastroenterology practice management company.*
- Represented providers across specialties, including but not limited to, behavioral health, physical therapy, chiropractic medicine, physical medicine and rehabilitation, expand their telemedicine and telehealth services nationally and internationally.*
- Provided healthcare regulatory and transactional counsel for venture capital investor acquiring a minority interest in a digital therapeutics company.*
- Provided counsel for Midwestern health system in connection with strategic partnerships, mergers and acquisitions, and affiliations of three Midwestern health systems.*
*Matter handled prior to joining McDermott
- The National Black Lawyers, Top 40 Under 40
- American Health Lawyers Association, member
- Illinois Association of Healthcare Attorneys, member
- Chicago Bar Association, Symphony Orchestra
- Washington University School of Law, JD
- Washington University in St. Louis, BA
- Illinois
- Florida
- Texas
Daniel Mayor
Daniel Mayor focuses his practice on corporate and transactional matters, with a particular concentration on debt financing transactions.
He advises banks, private equity funds, joint ventures and companies in syndicated credit facilities, term loan and revolving loan facilities, senior and subordinated debt transactions, asset-based financings, secured and unsecured lending and cross-border financings, among other forms of debt and equity financing.
- University of Miami School of Law, JD, magna cum laude
- University of Miami School of Law, LLM
- Northwestern University, BS
- Florida
- English

Rebecca Reese
Rebecca Reese litigates complex commercial disputes before state and federal courts and provides legal counsel in white-collar criminal defense, government investigations, and enforcement proceedings, particularly for healthcare industry clients. She is experienced in all phases of litigation, including case assessment, fact and expert discovery, legal research, motion practice, trial preparation, trial, and appeals. Rebecca also maintains an active pro bono practice with a focus on representing defendants in federal criminal matters, appeals, and in habeas proceedings.
- Represents a biopharmaceutical company in a government investigation concerning potential violations of the False Claims Act (FCA)
- Represents a major art museum in litigation against the Manhattan District Attorney’s Office concerning artwork in its collection
- Secured dismissal at the motion to dismiss stage for a digital healthcare platform in a FCA matter predicated on alleged Anti-Kickback Statute violations
- New York City Bar Association, member
- Washington and Lee University School of Law, JD, cum laude
- Davidson College, BA, cum laude
- New York
- US District Court for the Southern District of New York
- US District Court for the Eastern District of New York
- US Court of Appeals for the Second Circuit
- English
- Spanish

Dino Ilievski
Dino Ilievski focuses his practice on US and international tax matters including, organization agreements of joint ventures, equity and debt tender offerings, credits agreements, offering memoranda, indentures, management agreements and tax opinions for collateralized loan obligations. Dino also has experience in tax due diligence and sales documentation for mergers and acquisitions and for joint ventures, and experience with RICs and REITs.
- Assisted Sterling Organization with the formation of a new Fund for New Industrial/Logistics-Focused REIT*
- Assisted Francisco Partners in the sale of Quest Software through a portfolio company ($5.4b)*
- Assisted Transtelco’s successful third-party tender offer for Maxcom Notes*
- New York University School of Law, LLM, Taxation, magna cum laude
- New York University School of Law, JD
- New York University, BA
- New York
- English
- French
- Macedonian

Michael Kim
Michael Kim focuses his practice on project development and financing, advising sponsors, lenders and multilateral and export credit agencies on power, oil & gas and infrastructure projects. He has advised clients on projects across Asia Pacific and the Middle East, including in Singapore, Malaysia, Indonesia, Thailand, Myanmar, Vietnam, Cambodia, India, Bangladesh, the Solomon Islands and the UAE.
As a native Korean speaker, he regularly advises Korean clients on a broad range of projects, corporate, commercial and dispute-related matters, particularly in the infrastructure and transport sectors.
Power
- Advised KEPCO, EDF and Kyushu International on the consortium’s successful bid and subsequent financial closing of a US$3.8 billion subsea power transmission project (‘Project Lightning’) procured by Abu Dhabi National Oil Company (ADNOC) and financed by JBIC and KEXIM to connect ADNOC’s offshore oil and gas production facilities to Abu Dhabi’s onshore electricity grid*
- Advised Korea Water Resources Corporation and Hyundai Engineering as sponsors on the development and concessional financing of the Tina River Hydropower Development Project in the Solomon Islands, financed by the World Bank, Asian Development Bank, Green Climate Fund, Abu Dhabi Fund for Development and KEXIM-EDCF*
- Advised an Indonesian state-owned electricity utility on numerous export credit financings for the construction of conventional and renewable power projects across Indonesia representing an aggregate capacity in excess of 5GW with support from Canadian, Italian, Finnish, Polish, Czech, Hungarian, Japanese, Korean and Chinese export credit agencies*
- The Korea Chamber of Commerce in Singapore
- BPP Law School, GDL, Economics
- London School of Economics and Political Science, BSc
- England and Wales
- English
- Korean
