Job Title Category: Partner

  • Joseph J. Viviano

    Joseph J. Viviano

    People

    Joseph J. Viviano

    Partner
    Areas of focus

    Joseph advises clients on all matters pertaining to the intergenerational transfer of wealth, including estate planning, succession planning, tax planning, trust and estate administration, audits, examinations, controversy avoidance and litigation. He also guides clients on the formation, governance and operation of private trust companies and family offices. His clients are located throughout the United States and include high-net-worth individuals and families, private trust companies, family offices, family office executives and large banks.

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    Results
    Recognitions
    • Best Lawyers: Ones to Watch in America, Trusts and Estates, 2021-2026
    • Chambers High Net Worth, Band 2 in Illinois: Private Wealth Disputes, 2026
    Capabilities and industries
    Regional markets
    Community
    • Society of Trust and Estate Practitioners, Associate Member
    • Probate and Estate Planning Section of the State Bar of Michigan
      • Ad Hoc Committee to Revise Model Civil Jury Instructions Regarding Undue Influence, Member
      • Awareness and Outreach Committee, Chairman

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    Credentials
    Education
    • New York University School of Law, Master of Laws in Taxation
    • Michigan State University College of Law, JD, summa cum laude
    • Ferris State University, summa cum laude
    Admissions
    • Illinois
    • Michigan
  • Jake Townsend

    Jake Townsend

    People

    Jake Townsend

    Partner
    Areas of focus

    Jake Townsend focuses his practice on mergers and acquisitions, venture capital transactions and general corporate representation. He is experienced in matters involving mergers, acquisitions and dispositions, private equity and venture capital financing, and complex commercial transactions involving multiple jurisdictions for a broad range of private and public clients. He also provides continuing general corporate legal advice to a number of the Firm’s clients. Jake focuses on the delivery of efficient and cost-effective corporate services and products at the highest level of quality that integrates multiple jurisdictions and multiple practice areas.

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    Results
    • Represented Bridgestone Corporation, headquartered in Tokyo, in its acquisition of Masthead Industries, LLC (one of the largest providers in the United States specializing in industrial hose sales and services), through its wholly owned subsidiary, Bridgestone Hose America, Inc.
    • Represented the family owners of a US-based global manufacturer of automotive switches, controls and computer keyboards, in the cross-border sale to a German company and leading automotive industry supplier specializing in driveline and chassis technologies
    • Represented a family-owned leading provider of chemistry and biological equipment and supplies for schools in connection with its sale to a private equity fund

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    Recognitions
    Capabilities and industries
    Regional markets
    Community
    • American Bar Association
    Credentials
    Education
    • University of Chicago Law School, JD
    • Georgetown University, BSFS, magna cum laude
    Admissions
    • Illinois
    Languages
    • English
    • Spanish
  • Brian J. Tiemann

    Brian J. Tiemann

    People

    Brian J. Tiemann

    Partner
    Areas of focus

    Brian J. Tiemann counsels public and private companies on a broad range of employee benefit matters, including matters related to pension plans, 401(k) plans and executive and incentive compensation. He advises plan fiduciaries with respect to their fiduciary duties, investment policies and alternative investments. He also advises multinational clients on global employee benefits matters, particularly with respect to global incentive compensation plans. Brian has extensive experience negotiating investment management agreements and service provider agreements.

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    Results
    • Advised multiple clients on the Department of Labor’s recent regulations expanding the definition of fiduciary, including advice specific to the appointment of service providers as fiduciaries to provide participant investment advice
    • Negotiated multiple investment management agreements each related to the investment of more than $1 billion in assets of tax-qualified pension plans and nuclear decommissioning trusts
    • Represented multiple clients, including a Fortune 500 company, in the transition of their 401(k) plans, pension plans, equity and incentive compensation plans, supplemental deferred compensation plans and employee stock purchase plans to new record-keepers

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    Recognitions
    • Best Lawyers in America, Employee Benefits (ERISA) Law, 2022-2027
    • Legal 500 US, Recommended, 2023 and 2025
    Capabilities and industries
    Regional markets
    Community
    • Arts Midwest, board of directors
    • Legal Counsel for Health Justice, board of directors
    • Amherst H. Wilder Foundation’s James P. Shannon Leadership Institute, alum
    Credentials
    Education
    • University of Virginia School of Law, JD
    • St. John's University, BA, magna cum laude
    Admissions
    • Illinois
  • John P. Tamisiea

    John P. Tamisiea

    People

    John P. Tamisiea

    Partner
    Areas of focus

    We are saddened by the passing of John Tamisiea.

    John P. Tamisiea represents private and public companies, family-owned businesses and private equity funds in transactional matters. John concentrates his practice in the areas of mergers and acquisitions, strategic investments and alliances, securities offerings, venture capital investing and family office and general corporate counseling. John has also served as outside general counsel and an advisor to boards of directors for a number of clients. His clients include privately-held, publicly-traded and family-owned companies, private equity funds and investments banks.

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    Results
    • Represented Option Care Health, Inc. (NASDAQ: OPCH), the nation’s largest independent provider of home and alternate site infusion services, in its entry into a definitive merger agreement to combine with Amedisys, Inc. (NASDAQ: AMED), a leading provider of home health, hospice and high-acuity care.
    • Represented Allscripts Healthcare Solutions, Inc. (NASDAQ: MDRX) (now Veradigm) in the sale of its CarePort Health business to WellSky Corp., a global health and community care technology company, for $1.35 billion.
    • Represented Allscripts Healthcare Solutions, a global leader in Healthcare IT creating healthier lives by generating and providing insights that change the delivery of care, in its acquisition of Babel Health, Inc., a health data management company offering risk adjustment and encounter submission software tools on a single, cloud-based platform.

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    Recognitions
    • The Legal 500 US, 2019-2022
    • IFLR1000, M&A, 2022-2023
    Capabilities and industries
    Regional markets
    Community
    • Regina Dominican High School Board 2015 – 2022, Chairman of the Board 2021-2022

    Credentials
    Education
    • University of Pennsylvania Law School, JD, with highest distinction
    • University of Iowa, BBA in Accounting
    Admissions
    • Illinois
  • Jarrett Szczesny

    Jarrett Szczesny

    People

    Jarrett Szczesny

    Partner
    Areas of focus

    Jarrett Szczesny focuses his practice on representing private equity and other investment funds and privately held companies in connection with domestic and cross-border mergers, acquisitions, venture capital investments, restructurings and other transactions. He provides general corporate counseling to portfolio companies and other clients on matters such as corporate governance, employment, financing and incentive equity. Jarrett’s transactional experience spans a variety of industries, including private equity, health care services and manufacturing.

    Results
    • Assisted WindRose Health Investors with the sale of Medical Knowledge Group to Court Square Capital Partners; the acquisition of Trumpet Behavioral Health and its subsequent combination with BlueSprig Pediatrics, a KKR portfolio company; the acquisition of Lykan Bioscience and its subsequent combination with RoslinCT, a GHO Capital portfolio company; the sale of Vital Decisions to Evolent Health; its investment in Thirdwave RX; and its majority control investments in Veristat, RevHealth, StateServ, Workplace Options, Collaborative Imaging, BPD Advertising, CardioOne and MyndYou
    • Assisted Amulet Capital Partners with its control investment in Unlock Health, a healthcare marketing and advertising organization, along with numerous add-on transactions
    • Assisted Enhanced Healthcare Partners with its sale of SCA Pharma to The Vistria Group and Excellere Partners and its sale of Syft to Global Healthcare Exchange, a publicly traded company
    • Represented AUA Private Equity Partners in its acquisition of Trufood Manufacturing and subsequent sale to Mubadala Capital; its acquisition of Water Lilies Food and subsequent sale to Blue Point Capital Partners; the acquisition of Indulge Desserts Holdings and subsequent sale to Emmi Group, a publicly listed corporation; and its majority control investments in Weaver Popcorn, Epi Breads and Raymundos Food Group
    • Represented Pritzker Private Capital in various transactions involving its KabaFusion, PLZ Corp. and aurorium platforms

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    Recognitions
    • Best Lawyers: Ones to Watch in America, Corporate Law, Leveraged Buyouts and Private Equity Law, Mergers and Acquisitions Law, 2021-2026
    Capabilities and industries
    Regional markets
    Community
    Credentials
    Education
    • University of Illinois College of Law, JD, magna cum laude
    • Boston University, BSBA, summa cum laude
    Admissions
    • Illinois
    Languages
    • English
  • Nicole Yoon

    Nicole Yoon

    People

    Nicole Yoon

    Partner

    New York – One Vanderbilt Avenue

    Areas of focus

    Nicole Yoon advises clients on corporate and transactional matters, with a focus on cross-border and domestic mergers, acquisitions and divestitures for public and private companies, private equity sponsors and other investment funds. Nicole also provides general corporate counseling to clients and portfolio companies regarding corporate governance and post-merger integration matters. In her practice, she has represented clients and investors across a variety of industries, including healthcare, biotech, chemicals, metals and mining, energy and software.

    While in law school, Nicole served as an article editor for the Annual Survey of American Law.

    Results
    Recognitions
    • Best Lawyers: Ones to Watch in America, Corporate Law, Leveraged Buyouts and Private Equity Law, Mergers and Acquisitions Law, 2026
    • M&A Advisor Awards, M&A Deal of the Year ($500 MM – $1B), 2021
    • M&A Advisor Awards, Cross Border Deal of the Year; Materials Deal of the Year ($500 MM – $1B), 2020
    Capabilities and industries
    Regional markets
    Community
    Credentials
    Education
    • New York University School of Law, JD, cum laude
    • Georgetown University, BA
    Admissions
    • New York
  • Scott A. Weinberg

    Scott A. Weinberg

    People

    Scott A. Weinberg

    Partner

    New York – One Vanderbilt Avenue

    Areas of focus

    Scott A. Weinberg has extensive experience in all areas of real estate finance, acquisitions, dispositions and leasing for both institutional and non-institutional clients.

    In particular, Scott has experience representing lenders including commercial banks (foreign and domestic), insurance companies, specialty finance companies and REIT’s in the origination of commercial mortgage loans (construction, interim and permanent), mezzanine loans and preferred equity. Scott is also well-versed in securitizations, mortgage loan repurchase/warehouse facilities, loan portfolio purchases and sales, syndications and participations.

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    Results
    • Represented Natixis in its $125 million financing for the ground-up construction of a mixed-use building at One Light Street in Baltimore*
    • Represented family office in sale of 11 Madison Avenue, New York for $2.5 billion, the largest single building office sale ever*
    • Represented an investment bank in the sale of a portfolio of four performing loans aggregating $760 million to a foreign bank*

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    Recognitions
    • Best Lawyers in America, Real Estate Law, 2022-2027
    • Chambers USA, Real Estate: Finance, Band 2, 2022-2026
    • Legal 500 US, Recommended, 2019-2025
    • IFLR1000, Real Estate Finance, Real Estate Acquisitions, 2022
    Capabilities and industries
    Regional markets
    Community
    • New York State Bar Association, member
    • American Bar Association, member
    Credentials
    Education
    • New York University School of Law, JD
    • University of Missouri-Columbia, BS, magna cum laude
    Admissions
    • Missouri
    • New York
  • Robert M. Unger

    Robert M. Unger

    People

    Robert M. Unger

    Partner

    New York – One Vanderbilt Avenue

    Areas of focus

    Robert (Bob) Unger focuses his practice on highly structured commercial real estate finance, mergers and acquisitions, secured lending, including repurchase, warehouse and other liquidity facilities for lending clients, equipment finance, and corporate and transactional matters for both private and public companies.

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    Results
    • Represented a mortgage lending client in restructuring more than $1.5 billion of warehouse lending capacity to accommodate its IPO and subsequent REIT election*
    • Represented a major New York landlord and investor in the sale and separation from its joint venture partner in the ownership of 11 Madison Avenue for more than $2.5 billion in the largest office transaction in US history at the time*

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    Recognitions
    Capabilities and industries
    Regional markets
    Community
    • American Bar Association, member
    • ABA Forum on Entertainment and Sports Industries, member
    Credentials
    Education
    • Brooklyn Law School, JD
    • Boston University, BFA
    Admissions
    • New York
  • David L. Taub

    David L. Taub

    People

    David L. Taub

    Partner

    New York – One Vanderbilt Avenue

    Areas of focus

    Advises financial institutions and capital markets participants on derivatives, and structured and credit products

    Specializes in municipal financial products as a recognized industry leader

    Represents financial institutions on distressed municipal offerings and restructurings

    Advises blockchain and crypto developers, investors, exchanges, banks, and other market participants on the legal and regulatory implications of FinTech products

    David L. Taub is head of the firm’s Financial Institutions Advisory Group and founded the firm’s blockchain and crypto practice. He advises leading financial institutions and capital markets participants on derivatives, and structured and credit products

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    Ranked in Derivatives and Futures Law

    Ranked in Derivatives and Futures Law

    The Best Lawyers in America

    Results
    Recognitions
    • Best Lawyers in America, Derivatives and Futures Law (2019-2027), Securitization and Structured Finance Law, 2019-2026
    • Legal 500 US, Recommended, 2012-2023, 2025-2026
    • Super Lawyers, Top Rated Securities & Corporate Finance Attorney, 2016-2026
    Capabilities and industries
    Regional markets
    Community
    • McDermott Will & Schulte, Financial Institutions Advisory Practice Group, head
    • Association of the Bar of the City of New York, member
    • National Association of Bond Lawyers, member
    • New York Foundling, member of the board of trustees
    • Foundation for Global Arts, member of the board
    Credentials
    Education
    • University of California, Berkeley School of Law, JD
    • Brown University, BA, magna cum laude, and Phi Beta Kappa
    Admissions
    • New York
    Languages
    • English
  • Jeffrey E. Stone

    Jeffrey E. Stone

    People

    Jeffrey E. Stone

    Partner
    Areas of focus

    Jeffrey E. Stone is a nationally recognized trial lawyer who has tried over 40 federal and state jury trials to verdict, in addition to having tried dozens of bench trials, arbitrations and contested regulatory hearings. A Fellow and Regent of the American College of Trial Lawyers, he concentrates his practice on white-collar criminal defense, complex commercial litigation, internal investigations, and counseling to boards of directors and senior business executives.

    In his over 40 years as a trial lawyer, he has represented corporations, boards of directors, board committees, executives and other individuals in a variety of complex civil litigation and criminal prosecutions involving a broad range of industries, including health care, manufacturing, Tobacco, high technology and financial services. He has been named one of the top trial lawyers in the country by Lawdragon 500 and has been ranked for many years in Chambers and Best Lawyers in America for Bet–the–Company Litigation, Commercial Litigation, and White-Collar Criminal Defense. He is consistently named one of the Top 10 Lawyers in Chicago.

    During his 32-year tenure at the firm, Jeffrey has served as chairman of the firm, global head of McDermott Will & Schulte’s Trial Department, and head of the White-Collar Criminal Defense practice group.

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    Results
    • Represented the former CEO of a global health care company in a landmark criminal antitrust case: the first-ever prosecution of a business executive alleged to have participated in a conspiracy to allocate the hiring of executives between competitors. After a three-week trial, the jury acquitted both the former CEO and the company on all counts
    • Represented a private global philanthropic foundation that funds not-for-profit organizations providing reproductive health services
    • Represented the Special Committee of an NYSE company in connection with allegations of Board self-dealing and in connection with Delaware Chancery Court litigation
    • Represented the Board of Directors of a national utility company in a far-reaching criminal investigation in which the former CEO and other senior executives of a subsidiary were charged in a federal indictment with various counts of public corruption and fraud in their dealings with the Speaker of the Illinois House of Representatives

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    Recognitions
    • American Lawyer Litigation Daily, Litigators of the Week
    • Chambers USA, Litigation: General Commercial, 2003-2026; Litigation: White-Collar Crime & Government Investigations, 2003-2026
    • Best Lawyers in America, Lawyer of the Year in Chicago: Bet-the-Company Litigation, 2026

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    Capabilities and industries
    Regional markets
    Community
    • American College of Trial Lawyers, Fellow and member of the Board of Regents
    • American Jewish Committee, Board of Governors; member of Executive Council; chair of International Relations Commission
    • Attorneys’ Liability Assurance Society (ALAS), Board member and past Chairman of the Board of Directors
    • The American Law Institute, member
    • Campaign for Justice, chaired annual Chicago-wide campaign in support of local pro bono and civic legal activities

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    Credentials
    Education
    • Harvard Law School, JD, cum laude
    • Stanford University, BA, with honors and distinction
    Admissions
    • Illinois
    Courts/Agencies
    • Supreme Court of the United States
    • US Court of Appeals for the Seventh Circuit
    • US District Court for the Northern District of Illinois (Trial Bar)