Troy Van Dongen focuses his practice on the resolution of state and local tax (SALT) controversies through negotiation and litigation. He advises clients across the country in a variety of state and local tax matters, including income, franchise, sales, and use taxes, and he has a particularly strong background in property taxation.
- Secured appellate court victory upholding costs and attorney fee award following a trial court victory involving a property tax assessment*
- Secured a substantial property tax refund in case involving legal and valuation issues related to the client’s biotech property*
- Secured significant reduction in the assessed value of a major league ballpark before the local assessment appeals board*
- Chambers USA, Tax: State & Local, Band 2, 2012-2026
- Best Lawyers in America, Tax Law, 2025-2027
- Legal 500 US, Recommended 2019 and 2023
- California Lawyers Association, 2021, Benjamin F. Miller Award
- American Bar Association’s Tax Section, member
- Bar Association of San Francisco’s Tax Section, member
- California Department of Tax and Fee Administration Director’s Advisory Council, member
- Golden Gate University School of Law, JD
- San Francisco State University, BS, cum laude
- California
- Washington
- Supreme Court of the United States
- US District Court for the Central District of California

Kerrin B. Slattery
Leads complex M&A and affiliations for nonprofit hospitals, health systems, and academic medical centers
Structures strategic service line joint ventures and innovative investments
Advises on corporate and governance restructurings across healthcare platforms
Advises on healthcare-specific corporate and regulatory compliance matters
Manages large-scale transactions with multidisciplinary teams across key areas including antitrust, real estate, benefits, and fraud and abuse
Counsels Catholic healthcare organizations on corporate and Canon law structuring
Kerrin Slattery guides nonprofit hospitals and health systems, academic medical centers, large medical groups, and their investors through the complex transactions and regulatory challenges that define modern healthcare delivery.
- Represented large Midwestern health system in connection with its combination with another large Midwestern Health system creating a single system with $4B in revenue
- Represented large academic medical center in affiliation with national health system in regional venture
- Represented nonprofit partner in unwind of health system venture in return for substantial capital from remaining partner
- Represented health system in development of de novo medical school joint venture with public university
- Counseled a public hospital on its sale to a large nonprofit health system
- Best Lawyers in America, Healthcare Law, 2012-2019 and 2022-2027
- Top 50: Women Illinois Super Lawyers, 2021 and 2026
- Chambers USA, Band 1 in Healthcare, 2008-2026
- Legal 500 US, Hall of Fame, Healthcare: Service Providers, 2024-2025
- Thomson Reuters, Stand-out Lawyer, 2023-2024
- McDermott Will & Schulte Management Committee, member
- McDermott Will & Schulte Hospital & Health Systems Group, former practice area leader
- American Heart Association, Metro Chicago Board of Directors, 2016 to 2019
- American Heart Association, Executive Leadership Team, Go Red for Women, 2015 to 2020
- Illinois Association of Healthcare Attorneys, president, 2013
- Illinois Association of Healthcare Attorneys, director, 2009 to 2014
- Loyola University Chicago School of Law, JD
- Loyola University Chicago, MBA
- University of San Diego, BSBA
- Illinois
- English

Charles J. Moll, III
Charles (Chuck) Moll focuses his practice on state and local tax (SALT), primarily concentrating on the resolution of tax controversies. He regularly appears before the various California tax authorities—including the State Board of Equalization, the California Franchise Tax Board, the California Department of Tax and Fee Administration, and the Office of Tax Appeals—as well as local authorities such as assessors and assessment appeals boards. He has litigated at all levels of California’s courts, the US Tax Court, and the US Supreme Court.
- Appeared as counsel of record and prevailed in the US Supreme Court in Hunt-Wesson v. Franchise Tax Board, 528 US 458 (2000). The Supreme Court unanimously struck down California’s interest offset provision as being unconstitutional*
- Successfully represented taxpayer Genentech, Inc., Real Party in Interest in Church v. San Mateo County Assessment Appeals Board, First District Ct. of Appeal, Case No. A155034 (2021). The Appeals Court reversed the trial court and rejected the use of financial records as constituting prima facie evidence of value for property tax purposes
- Successfully represented Abbott Labs in Littlejohn v. Costco Wholesale, et al., 25 Cal. App. 5th 251 (2018) against assertions of overcharging of sales tax reimbursement on product sales*
- Chambers USA, Band 1 in Tax: State & Local, 2010–2026
- Legal 500 US, Tax, 2019–2025
- Best Lawyers in America, Tax Law, 2013–2027
- The Best Lawyers in America, Lawyer of the Year in San Francisco: Tax Law, 2021,2023 and 2027
- American College of Tax Counsel, Fellow
- ABA Tax Section’s State and Local Tax Committee, Executive Committee member
- National Association of Property Tax Attorneys, Board of Directors
- California Taxpayers Association, Board of Directors
- George Washington University Law School, JD
- Cornell University, BA
- California
- Supreme Court of the United States
- Supreme Court of California
- US District Court for the Northern District of California
- US Tax Court
- English

Adam K. Sherman
Adam K. Sherman provides legal counsel on a wide range of wealth transfer, tax, estate planning and business succession matters for high-net-worth individuals and business owners.
Adam has extensive experience structuring and implementing sophisticated wealth transfer techniques and working with owners of closely held businesses to develop customized succession plans. Adam also advises clients on a range of issues relating to the formation and maintenance of family office and private trust company structures.
- Advised family shareholders on the sale of a controlling stake in a $600 million publicly traded company
- Developed and implemented a customized Nevada private trust company to serve as trustee of a billion-dollar GST-exempt trust
- Designed a non-judicial settlement agreement to resolve a trust construction dispute involving a $100 million GST-exempt trust and obtained a favorable IRS private letter ruling concerning the tax consequences of the agreement
- Best Lawyers in America, Trusts and Estates, 2025-2027
- Chambers High Net Worth, Illinois: Private Wealth Law, 2021-2026
- University of Chicago Law School, JD
- Northwestern University, BA
- Illinois
- Wisconsin

Michael R. Huttenlocher
Michael R. Huttenlocher focuses his practice on all aspects of complex commercial litigation and international arbitration, including contract disputes, business torts, merger and acquisitions, shareholder appraisal actions, the federal securities laws, and white-collar criminal matters. He is experienced in all phases of litigation in state and federal courts around the country, as well as in domestic and international arbitration, including pre-filing investigation and case assessment, fact and expert discovery, legal research, motion practice, trial preparation, trial and appeals. Michael also has an active pro bono practice.
- Represented a UK investment company in a bet-the-company arbitration concerning an alleged breach of environmental indemnity as well as a post-hearing mediation that led to a favorable settlement
- Defended the acquirer of a publicly traded company in the Delaware Court of Chancery against allegations of aiding and abetting a breach of fiduciary duty
- Benchmark Litigation, 40 & Under Hot List, 2017-2021
- New York Super Lawyers, Rising Star, 2011 to 2016
- American Bar Association
- New York State Bar Association
- New York University School of Law, JD, summa cum laude,, Phi Beta Kappa
- Binghamton University, BA
- New York
- Supreme Court of the United States
- US Court of Appeals for the Second Circuit
- US District Court for the Eastern District of New York
- US District Court for the Southern District of New York

Joel A. Hugenberger
Advises on project finance, project development, and tax equity transactions in the energy and infrastructure sectors, with a focus on renewables
Represents tax equity investors, sponsors, developers, borrowers, lenders, and preferred equity investors in financing complex energy and infrastructure projects
Structures and negotiates secured and unsecured loan facilities, joint ventures, and tax equity investment structures
Advises on tax credit transfers for solar, storage, fuel cell, and manufacturing projects
Joel A. Hugenberger advises clients on project finance, project development, and tax equity transactions in the energy and infrastructure sectors, with a particular focus on renewable energy transactions.
Joel represents tax equity investors, sponsors, developers, borrowers, lenders, and preferred equity investors in financing complex energy and infrastructure projects, domestically and internationally, and in structuring and negotiating various secured and unsecured loan facilities, joint ventures, and tax equity investment structures.
Recommended in
Legal 500 US
- Represented a major developer of residential solar and battery storage projects in connection with an up to $1.5 billion cash equity financing joint venture, together with related back-leverage arrangements and tax credit transfers
- Represented a major renewable energy developer in connection with the tax equity financing of a portfolio of three solar projects and two battery storage projects: a 200 MW solar project in Georgia, two 75 MW solar projects in Florida, a 100 MW/400-megawatt hour (MWh) battery storage project in Colorado, and a 75 MW/300 MWh battery storage project in Arizona
- Represented a multinational renewable energy developer in the closing of tax equity commitments and construction loan financing relating to a 400 MW solar project in Indiana, the first of three phases of what will become one of the largest integrated photovoltaic solar electricity generating facilities in the United States
Tax Equity Financing
- Represented a major renewable energy developer in connection with the tax equity financing of two wind projects in Texas and Wyoming sized 390 megawatts (MW) and 256 MW, respectively
- Represented a major renewable energy developer in connection with the tax equity financing of a portfolio of three solar projects and two battery storage projects: a 200 MW solar project in Georgia, two 75 MW solar projects in Florida, a 100 MW/400-megawatt hour (MWh) battery storage project in Colorado, and a 75 MW/300 MWh battery storage project in Arizona
- Represented a multinational renewable energy developer in the closing of tax equity commitments and construction loan financing relating to a 400 MW solar project in Indiana, the first of three phases of what will become one of the largest integrated photovoltaic solar electricity generating facilities in the United States
- Legal 500 US, Recommended, Energy: Renewable/Alternative Power and Energy Transactions: Electric Power, 2015-2017, 2019-2022, 2024
- American Bar Association, Project Finance and Development Committee
- Boston College Law School, JD
- Middlebury College, BA
- New York
- Chinese (Mandarin)
- English

Jacob Hollinger
Jacob Hollinger is a commercial litigator and environmental lawyer in our Energy and Project Finance practice group. He represents energy and manufacturing clients in commercial and environmental disputes and provides counseling on climate change, carbon finance, environmental compliance and environmental risk management. Prior to joining the firm, Jacob was an environmental enforcement attorney for the U.S. Environmental Protection Agency (EPA) and New York State, with a particular focus on Clean Air Act matters, and a commercial litigator for a highly regarded AmLaw 100 firm. At McDermott Will & Schulte, he combines his commercial litigation and environmental enforcement experience to help clients understand, address and resolve their often interlinked commercial and environmental challenges. His energy-related matters have involved engines, fuels, power plants, refineries, solar installations, landfills, waste-to-energy projects, wind farms, storage facilities, tax equity investments and multiple types of carbon-related regulatory credits. His industrial matters have involved chemicals, steel, aluminum, minerals, and many other types of manufacturing activities. He has handled a broad range of commercial, compliance and contamination-related disputes and advised a diverse set of energy, finance and manufacturing entities concerning environmental permitting, compliance and risk management issues, carbon offsets, carbon credits, and ESG-related issues.
Litigation
- Lead defense counsel for a roofing products manufacturer in environmental litigation; obtained favorable motion to dismiss decision rejecting the plaintiffs’ complaint.
- Lead defense counsel for Patrick Industries, Inc., a publicly traded manufacturing company, in Superfund litigation; obtained favorable motion to dismiss decision rejecting the plaintiffs’ principal claims.
- Lead defense counsel for NGL Crude Logistics, LLC, a biofuels trading company, in a major U.S. Department of Justice and U.S. EPA Renewable Fuel Standard enforcement action, resolved for a fraction of the defendant’s alleged economic benefit.
- Legal 500 US 2017
- While at EPA, received a Hurricane Sandy Response & Recovery Award for “outstanding and exceptional response and recovery efforts in the face of one of the most devastating storms in Region 2’s history”
- Energy Bar Association
- New York State Bar Association
- New York City Bar Association
- Federal Bar Council
- New York University School of Law, JD
- New York University, MA
- Swarthmore College, BA, with high honors
- District of Columbia
- New York
- US Court of Appeals for the District of Columbia Circuit
- US District Court for the Eastern District of New York
- US District Court for the Southern District of New York
- US District Court for the Western District of New York
- US District Court for the District of Columbia

Ahsan A. Shaikh
Advises computer-related technology companies on strategic patent portfolio management and client counseling
Applies analytics and artificial intelligence to improve drafting and examination efficiency, and patent outcomes in USPTO patent prosecution
Counsels clients on patent program design, portfolio direction, and competitive patent positioning
Conducts patent due diligence for acquisitions and audits of IP assets and processes
Ahsan A. Shaikh focuses his practice on strategic patent portfolio management and client counseling for computer-related technology companies. He advises clients on whether a new feature, product, or idea can and should be patented; applies analytics to improve examination efficiency and reduce the cost of prosecuting patent applications at the United States Patent and Trademark Office (USPTO); builds bespoke and inclusive patent programs; assesses portfolio direction and competitive positioning; conducts patent due diligence for acquisitions; and audits intellectual property (IP) assets and processes.
- Represented a medical device company in its acquisition of a competitor for $225 million
- Provided patent counseling for leading companies, including Meta Platforms (Instagram, WhatsApp, Reality Labs), Disney, SAP, AMD, Airbnb, Electronic Arts, and Netflix
- Guided a cloud services company through patent prosecution during a more than $500 million acquisition by a Fortune 100 multinational computer technology corporation
- Advises a Fortune 50 technology company on strategic patent decisions
- Counsels one of the world’s largest interactive gaming companies on its patent strategy
- Chambers USA, Intellectual Property, 2022-2026; Band 2, 2026
- Managing Intellectual Property, IP Stars, Practitioner of the Year (Patent Prosecution), 2022-2023; Patent Star, 2024-2026
- Thomson Reuters, Stand-Out Lawyer – independently rated lawyers, 2025-2026
- IAM Strategy 300, Global Leaders Guide, 2021-2025
- Legal 500 US, Leading Lawyer in Intellectual Property, 2022-2025
- McDermott Will & Schulte, patent prosecution practice, head
- IPO, women inventor engagement toolkit team, member
- USIPA, Diversity in Innovation Conference, contributor
- University of Chicago Law School, JD
- University of California, Berkeley, BA, Computer Science
- California
- Illinois
- US Patent and Trademark Office
- English
- Urdu

Todd Harrison
Todd Harrison focuses his practice on white-collar and corporate defense, internal investigations, regulatory and compliance matters, and complex civil litigation in state and federal courts, including the defense of Foreign Corrupt Practices Act cases and the defense of companies and executives charged with violating various international sanctions regimes, including the US government sanctions on Iran. He has represented numerous companies facing government investigations, prosecutions and enforcement actions from both state and federal agencies, including the US Department of Justice (DOJ), US attorneys and state attorneys general offices, the Treasury Department, the Internal Revenue Service (IRS), the US Securities and Exchange Commission (SEC), the Financial Industry Regulatory Authority (FINRA), various congressional committees of the US House and Senate, the Inspectors General of numerous federal agencies, the US Alcohol and Tobacco Tax and Trade Bureau (TTB – formerly ATF), as well as the New York State Attorney General’s office, the New York State Department of Taxation and Finance and the New York State Department of Financial Services.
- Won a full acquittal at trial in federal court for a hedge fund manager charged with 36 counts of securities fraud, wire fraud and conspiracy related to an alleged insider trading scheme
- Represented a foreign bank executive charged with money laundering, fraud and evasion of Iran sanctions
- Represented a multibillion-dollar hedge fund in an insider trading investigation conducted by the US Attorney’s Office for the Southern District of New York and the SEC, convinced the government not to file charges
- Legal 500 US, 2016 and 2023-2024
- Global Investigations Review GIR 100, Recommended, 2023-2024
- Benchmark Litigation, Litigation Star, 2016-2020
- American Lawyer, “Litigator of the Week,” August 2015
- American Bar Association
- Association of Assistant United States Attorneys
- City of New York Bar Association
- American University Washington College of Law, JD, cum laude
- Yale University, BA
- New York

Greer Griffith
Greer Griffith represents clients in civil and criminal government enforcement matters, restructuring litigation and complex commercial litigation. She has extensive experience in the FinTech & Blockchain, healthcare and academic industries.
- Represented Prime Trust, a leader in the cryptocurrency space which held more than $3.8 billion in cryptocurrency and fiat currency at its peak, in connection with its Chapter 11 cases
- Represented the Official Committee of Unsecured Creditors in the Compute North restructuring matter, the first crypto mining Chapter 11 case
- Obtained dismissals of clients sued in connection with the New York Child Victims Act and New York Adult Survivors Act in pre-discovery stages of litigation and favorable findings in investigations involving allegations of sexual assault, abuse and misconduct
- Best Lawyers: Ones to Watch in America, Criminal Defense: White-Collar, 2026
- Law360, Rising Star in Fintech, 2026
- McDermott Will & Schulte, Exceptional Commitment to Pro Bono Service Award, 2025
- Association of Title IX Administrators (ATIXA), member
- Society of Corporate Compliance and Ethics, member
- New York City Bar Association, member
- Women’s White Collar Defense Association, member
- National Association of Criminal Defense Lawyers, member
- University of Pennsylvania Law School, JD
- University of Pennsylvania, Fels Institute of Government, MPA
- Pennsylvania State University, BS, BA and BA, summa cum laude
- New York
- New Jersey
- Pennsylvania
- US District Court for the Eastern District of Michigan
- US District Court for the District of New Jersey
- US District Court for the Eastern District of New York
- US District Court for the Southern District of New York
- US District Court for the Western District of New York
- US District Court for the Eastern District of Pennsylvania
