Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. > San Francisco, United States > Firm Profile
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. Offices

44 Montgomery Street, 36th Floor
San Francisco, CA 94104
CALIFORNIA
United States
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Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. > The Legal 500 Rankings
Finance > Restructuring (including bankruptcy): municipal Tier 1
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. has an established record in Chapter 9 municipal bankruptcies and governmental unit restructuring. It has landed key roles in the vast majority of large municipal bankruptcies of recent years, including Puerto Rico’s debt crisis and represented Ambac, a bond insurer, in the Chapter 9 bankruptcy of the City of Fairfield, Alabama. The firm typically operates on the buy-side thanks to its mix of bankruptcy and public finance expertise, representing a mixture of bondholders, bond trustees and bond insurers. It is also noted for Chapter 9 bankruptcies of healthcare districts. William KannelPractice head(s):
Nathan Coco
Other key lawyers:
Work highlights
- Served as counsel to several institutional bondholders of Puerto Rico bonds including advising on PROMESA, Commonwealth and related fiscal plans and plans of adjustment.
- Served as counsel to the institutional bondholder and the indenture trustee of bonds issued for the benefit of Chester, Pennsylvania in the city’s recently filed Chapter 9.
- Represented Ambac, a bond insurer, in Chapter 9 bankruptcy case of the City of Fairfield, Alabama.
Healthcare > Service providers Tier 2
Primarily based in Washington DC, Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. assists a varied roster of pharmacy, investor, and health plan clients. Karen Lovitch leads the team with her deep knowledge spanning healthcare private equity investments and AKS investigations, and Hope Foster is recommended for her specialism in the diagnostics and laboratory industry. San Francisco’s Daniel Cody utilizes his longstanding expertise in digital health to assist post-acute care entities and medtech companies with privacy and both state and federal level fraud and abuse investigations. Dividing her time between Boston and Miami, Deborah Daccord is known for her vast experience in M&A, divestitures, and joint ventures within the healthcare space. FCA expert Laurence Freedman routinely acts for hospitals in major investigations and complex disputes, while Lauren Moldawer is well placed to advise on matters concerning third-party payors and nurse staffing corporations. Boston-based Cassandra Paolillo is a key figure within the team who has knowledge of the regulatory aspects of transactions within the healthcare space, with a strong focus on private equity investments in ambulatory surgery and oncology providers.Practice head(s):
Karen Lovitch
Other key lawyers:
Hope Foster; Daniel Cody; Theresa Carnegie; Kate Stewart; Deborah Daccord; Laurence Freedman; Lauren Moldawer; Cassandra Paolillo
Key clients
CVS Health
Silverlake Hospital
CVS Health Ventures
Mass General Brigham
TPG Capital
Work highlights
- Advised CVS Health on the sale of all 22 of its retail drug stores and additional real estate in Puerto Rico to Caribe Pharmacy Holdings dba Farmacia Caridad.
M&A/corporate and commercial > M&A: middle-market (sub-$500m) Tier 2
Work highlights
Dispute resolution > Corporate investigations and white-collar criminal defense Tier 3
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.‘s white-collar defense practice represents high-profile individuals, foreign diplomats, and corporate executives in cases involving public corruption, money laundering, healthcare fraud, and other allegations. The firm also provides crisis management and public relations advice. The Boston office is led by Eóin Beirne, who represents boards of directors in internal investigations. Peter Chavkin, head of the New York team, handles major investigations into fraud, insider trading, and financial misconduct. Also in New York are Jason Halperin, who advises non-profit organizations, and David Siegal, an experienced litigator.Practice head(s):
Peter Chavkin; Eóin Beirne
Other key lawyers:
Key clients
Individual Defendant in Connecticut et al v. Sandoz, Inc. et al, and related litigation and investigations.
Over one-dozen current and former Employees, Consultants, and Experts of medical supply company.
Former CTO, former Interim CEO, OpenAI
Frmer CFO of Fat Brands
A high-ranking officer of a major energy company
Former Trump campaign official
In re: United States v. City of Ferguson
Work highlights
- Representing a former pharmaceutical executive in multiple lawsuits, including Connecticut et al v. Sandoz, Inc. et al, alleging collusion, price-fixing, consumer fraud, and unfair business practices.
- Represented former CTO and interim CEO of OpenAI, in a high-profile internal investigation.
- Represesenting an individual who is facing allegations related to a conspiracy to defraud Polar Cargo.
Dispute resolution > E-discovery Tier 3
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. is a recognised firm within the discovery space for its innovative approaches to document analysis, review and production. The firm’s e-data consulting group is led by John Koss in Boston, who excels in counselling clients on issues of information governance, e-discovery readiness and the utilization of AI in data systems.Practice head(s):
John Koss
Work highlights
Labor and employment > Immigration Tier 3
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. stands out for its strength in obtaining H-1B visas and in the EB-5 financing space, both popular choices for foreign companies and investors launching US operations. The group’s expertise is also sought after by entrepreneurial clients seeking advice on corporate formation and immigration status planning. John Quill is responsible for leading the team and brings significant experience obtaining non-immigrant visas for companies and their employees. William Coffman is regularly sought out to represent clients in immigration matters before the USCIS and DoL. Angel Feng is the go-to for obtaining non-immigrant work visas and employment-based visas. Former co-head Susan Cohen retired in 2024, while Douglas Hauer departed the firm in April 2025. All lawyers mentioned are situated in the Boston office.Practice head(s):
John Quill
Other key lawyers:
Key clients
Pro-Bono Afghanistan Parolee Clients
ID-Pal Ltd.
Teradar, Inc.
IAC, Inc.
Thomson Reuters
mPod, Inc.
Mikayel Petrosyan
Aminochain, Inc.
Chronosphere
Work highlights
- Advocated for various pro-bono Afghanistan parolee clients who remain in hiding and at risk due to the humanitarian crisis in Afghanistan.
- Advised mPOD, Inc. in obtaining an International Entrepreneur Rule Parole for one of the founders.
- Represented IAC and its subsidiaries on all immigration matters, including securing employment authorization and visas for their foreign national workforce and international transferees throughout various company reorganizations, mergers, and acquisitions.
Labor and employment > Workplace and employment counseling Tier 3
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. represents a broad range of clients with employment matters in a variety of transactional contexts. New York-based Michael Arnold leads the team and handles matters from advising on internal investigations to defending C-suite employees in litigation proceedings. In San Diego, Jen Rubin is regularly turned-to by clients in the tech, financial services, publishing, professional services, manufacturing, industrial and health industries. Geri Haight and Natalie Groot are located in Boston; Haight specializes in litigation, internal investigations and compliance as well as IP and trade secret matters, while Groot regularly leads investigations and employee training.Practice head(s):
Michael Arnold
Other key lawyers:
Key clients
Ambridge Partners
Aspen Aerogels
Clarion Capital Partners
Ankura Consulting Group
Appen AI
California Protons
DermTech
Development Corporation For Israel (Israel Bonds)
Empire State Development
Exagen
General Atomics
Glenbervie Healthcare Inc.
HubSpot, Inc.
IAC Holdings
Mosaic Group
Care.com
Vimeo
Ask Applications
IDB Bank
Informa PLC
Intercept Pharmaceuticals, Inc.
Ivy Rehab Network
Kiva Confections, Inc.
Miyoko’s Creamery, LLC
NewLab
QIAGEN
Schneider Electric
Schneider Electric
SimpliSafe, Inc.
The Related Companies
Work highlights
- Representing IAC Holdings and several of its brands in general employment matters as they arise, such as executive employment and separation agreements, equity agreements and plans, and day-to-day employment counseling.’
- Advising the client on everyday HR issues, multijurisdictional employee onboarding and offboarding compliance, commission plans to ensure compliance with applicable law, compliance with applicable non-compete laws, and its employment classification practices ensuring compliance with applicable law, including in Canada.
- Provided guidance to the client regarding the approach to the litigation and the request for indemnification to the staffing company, as well as advice on day-to-day questions regarding employee disputes, investigations and other matters that could potentially touch upon FCA work, as well as IP issues.
Media, technology and telecoms > Telecoms and broadcast: regulatory Tier 3
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.‘s practice represents clients from across the broadband, cable, media, satellite, tech and wireless industries. Based in Washington DC, the team handles a variety of regulatory issues, from FCC work and litigation to net neutrality and broadband funding matters. Angela Y. Kung heads the group and routinely advises clients on FCC rules and regulations. Tara Corvo is an expert in legislation and regulatory policy, while T. Scott Thompson specializes in wireless and wireline matters. Dan Reing advises communications companies on regulatory and litigation issues and Christen B’anca Glenn is well-versed in regulatory, transactional and compliance matters, with a focus on new and transformative tech.Practice head(s):
Angela Y. Kung
Other key lawyers:
Key clients
A&E Networks
Altice USA
AMC Networks Inc.
Andrena
Boston College
Charter Communications, Inc.
Comcast
Cox Communications, Inc.
Crown Castle
CTIA – The Wireless Association
CX360 d/b/a Mosaicx
DIF Capital Partners
Entergy Services, Inc.
ExteNet Systems, Inc.
Fidelity Investments
FIF AireBeam
Holy Cross
Horizon Tower
Intermax Towers
Madison Square Garden
Mediacom Communications Corporation
MSG Networks
NCTA – The Internet & Television Association
Nippon Steel
SBA Communications
T-Mobile
Telephone and Data Systems, Inc.
TPG Capital, L.P.
Trimble Inc.
Tufts University
VERSCOM
Warner Bros. Discovery, Inc.
Wi-Fi Alliance
Wireless Infrastructure Association (WIA)
Dispute resolution > Securities litigation: defense Tier 4
With a strong offering on East and West coasts, including many experienced trial lawyers and former federal prosecutors, Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. is well-positioned to provide a robust defense to an issuer-focused client base across a wide range of securities fraud and shareholder derivative actions, as well as in accompanying regulatory investigations/enforcement actions. Leveraging the skills gleaned through private practice and during his tenure in-house at the SEC, San Francisco-based partner Sean Prosser provides a very adaptable service to companies both in relation to private litigation, as well as standalone and accompanying regulatory probes. Prosser also regularly acts for executives accused of securities law fraud, including Section 16 short-swing violations, as well as for directors and officers in shareholder derivative litigation before the Delaware Court of Chancery. Boston-based Jack Sylvia has a particularly strong reputation representing life sciences/biotech companies facing down securities fraud class actions and co-heads the team alongside seasoned first-chair New York-based litigator Douglas Baumstein.Practice head(s):
Jack Sylvia; Douglas Baumstein
Other key lawyers:
Sean Prosser; Jason Vigna; Francis Earley; Matthew Levitt; Patrick McDonough; Ellen Shapiro; Catherine Lombardo
Key clients
LGH Investments (and Principal)
Thomas Gad
Fulgent Genetics, Inc.
RYVYL Inc.
Rebecca Hershinger (former CFO of Fat Brands, Inc.)
Spero Therapeutics
Viela Bio, Inc.
Perrigo Company
FTV VII, L.P.
Jimmy Butler
Work highlights
- Defended founder and president of a life sciences company against novel Section 16(b) short-swing trading claims in Southern District of New York.
- Represented the private equity fund FTV VII, L.P. in expedited litigation in the Delaware Court of Chancery arising out of FTV’s $61m investment in Solid Financial Technologies, which allegedly falsified its revenues and customer base.
- Represented the former directors and officers of a biotechnology company in a breach of fiduciary duty suit in the Delaware Court of Chancery.
Finance > Capital markets: equity offerings Tier 4
Healthcare > Life sciences Tier 4
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. advises on financing transactions, licensing collaborations, M&A, and public offerings, representing both entrepreneurs and venture-backed businesses as well as investors and underwriters. With a strong IP practice, it also handles patent prosecution, strategy, and litigation matters. The team is led by patent litigator and counselor Siegmund Gutman, who joined the Los Angeles office from Proskauer Rose LLP in May 2024, also bringing experience in Hatch-Waxman litigation and inter partes disputes. Also joining the LA office from Proskauer Rose LLP is David Hanna, an IP lawyer with expertise in patent prosecution, advice and litigation. Practice co-chair William Hicks, based in Boston, has extensive national and cross-border transactional experience.Practice head(s):
William Hicks; Siegmund Gutman
Other key lawyers:
Cheryl Reicin; John Rudy; David Hanna
Key clients
ArriVent BioPharma
Pieris Pharmaceuticals, Inc.
Amgen
BeiGene, Ltd.
F-star Therapeutics
Johnson & Johnson
QIAGEN N.V.
Standard BioTools
Fulgent Genetics
Intra-Cellular Therapies Inc.
Work highlights
- Represented ArriVent BioPharma, Inc. in its $175M initial public offering, which was underwritten by Goldman Sachs, Jefferies, and Citigroup.
- Represented Standard BioTools in its merger with SomaLogic.
- Representing Amgen in a series of cases under the Biologics Price Competition and Innovation Act (BPCIA) to defend its Prolia and XGEVA franchises from biosimilar competition.
Insurance > Advice to insurers Tier 4
Led by seasoned coverage litigator Kim Marrkand and reps and warranties, life, and P&C specialist Nancy Adams , both based in Boston, the country-wide team at Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. has experience litigating various key coverage issues across state, federal, and bankruptcy courts and is notably active in P&C, reps and warranties, and bad faith disputes, as well as in assisting transactional risk insurers and reinsurance stakeholders. Also on the team is Washington DC-based Deirdre Johnson, whose practice encompasses class actions, securities litigation, and international insurance arbitration, and Ellen Farrell, who focuses on the arena of long-tail claims, sexual abuse and human trafficking matters, and Bermuda Form policies. From the New York office, Marc Abrams advises insurers, reinsurers, and brokers in high-stakes litigation and arbitration, and first-chair litigator Suman Chakraborty acts for insurers and reinsurers in the segments of P&C and life. Strengthening the New York bench further is Mark Haas, a practitioner well-versed in representing insurers in a wide selection of coverage disputes.Practice head(s):
Kim Marrkand; Nancy Adams
Other key lawyers:
Deirdre Johnson; Ellen Farrell; Marc Abrams; Suman Chakraborty; Mark Haas; Grady Campion; Caroline Dias
Key clients
Liberty Mutual Group
Liberty Mutual Fire Insurance Company
Resolute Management, Inc.
American Economy Insurance Company
American Fire and Casualty Company
American States Insurance Company
The Ohio Casualty Insurance Company
Liberty Mutual Fire Insurance Company
Liberty Mutual Group
Nationwide (PM3)
Zurich
Work highlights
- Representing Liberty Mutual to respond to the ALI’s effort to remake the existing law of liability insurance.
- Represented Resolute Management, Inc. in a claim by a judgment debtor seeking to invoke New York’s direct-action statute and pursue insurance proceeds.
- Representing National Indemnity Company in a breach of contract and bad faith claim in the Northern District of California brought by Bahnson Inc.
M&A/corporate and commercial > Venture capital and emerging companies Tier 4
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. works in concert with its specialist life sciences, technology, and private equity groups to provide full-spectrum advice to emerging companies. The team also maintains strong relationships with investors, with its recent work spanning engagements for funds and family offices, as well as for the corporate investment arms of major technology companies and financial institutions. New York-based technology specialist Daniel DeWolf co-heads the practice and is sought after by clients from across the national and international start-up ecosystem. Jeremy Glaser co-chairs the practice from Los Angeles, where he supports founders in financings, IPOs, and M&A. In Boston, Samuel Effron rounds out the department co-chairs; he specializes in venture capital and private securities transactions.Practice head(s):
Daniel DeWolf; Samuel Effron; Jeremy Glaser
Other key lawyers:
Lewis Geffen; Larry Naughton; Joshua Fox
Key clients
ArriVent BioPharma, Inc.
Astadia, Inc.
Boston Metal
Cultivo
eBay, Inc.
KEYED
Quaise Energy
PanTher Therapeutics
PayPal, Inc.
Stavvy
Synnovation
Work highlights
- Represented Boston Metal in its Series C financing that raised a total of $262m.
- Represented Astadia in its acquisition by Amdocs.
- Advised Quaise Energy on its $21m Series A1 funding round.
Labor and employment > Employee benefits, executive compensation and retirement plans: transactional Tier 5
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. provides counsel on executive compensation and employee benefits, representing companies, private equity firms, hedge funds, and executives. Headed by Michael Arnold , the firm advises on compensation structures in M&A, private equity transactions, and venture capital investments across industries such as healthcare, technology, and retail. Andrew Bernstein , based in New York, focuses on executive compensation negotiations for senior executives and management teams. In Boston, Benjamin Ferrucci advises on ERISA- related corporate matters and designs retention and incentive plans. New York-based David Lagasse structures and implements deferred compensation and equity arrangements in transactional contexts.Practice head(s):
Michael S. Arnold
Other key lawyers:
Key clients
Artemis Capital Partners
Berenson Capital
Butterfly Network
Charlesbank
Clarion Capital Partners LLC
Coppermine Capital
DermTech, Inc.
Elicio Therapeutics
Eyenovia, Inc.
Gradiant Corporation
Hartree Partners LP
HouseWorks Holdings, LLC
Immunome
Monomoy Capital Partners
Myriad Genetics
NET Power, LLC
QIAGEN
Sandy Alexander, Inc.
Sera Prognostics
Solstice Power Technologies, Inc.
Spero Therapeutics
Spero Therapeutics
Syncona Ltd.
Third Wave Recovery Systems LLC
Work highlights
- Represented the members of the SVB Capital Operating Committee during the sale of SVB Capital from SVB Financial Group to Pinegrove Capital Partners, a new entity backed by Brookfield and Sequoia Heritage.
- Represented Monomoy Capital Partners in its acquisition of Southern Exteriors, a leading installer of exterior building products serving residential homebuilders in the southeastern United States.
- Advised in a private equity buy-side closing: a bolt-on for McDanel Advanced Materials Technologies, a portfolio company of Artemis Capital Partners.
Real estate > Construction (including construction litigation) Tier 5
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. is trusted by clients in the public and private sectors to deliver on a variety of projects in the transportation, industrial, educational, retail, and technology sectors. The Boston-based practice is headed by Tony Starr, who advises on contract drafting and disputes involving mechanics’ liens, bonds, terminations and delays; and William Hill, who represents clients in arbitration and mediation and helps them avoid litigation. Rebecca Raphaelson is skilled in litigation and construction formation; she recently advised Gradiant Corp. on a multibillion-dollar transaction to construct a microchip manufacturing facility. Kevin Mortimer and Amy Pearlman also represent clients in alternative dispute resolution procedures.Practice head(s):
Tony Starr; William Hill
Other key lawyers:
Rebecca Raphaelson; Kevin Mortimer; Amy Pearlman
Key clients
DivcoWest
Gradient Corp.
Drawbridge Realty
Hancock Street Partners
Onyx Corporation
Nautilus US Power Holdco LLC (“Nautilus”)
Daniel O’Connell’s Sons (“DOC”)
Western Builders, Inc. (“Western”)
NorthStar Contracting Group, Inc.
Work highlights
- Represented DivcoWest in all matters pertaining to the drafting of construction documents for its Cambridge Crossing project in Cambridge, Massachusetts, as well as the Peninsula Crossing development in Burlingame, CA.
- Acts as U.S. construction counsel for Gradiant Corp. in connection with a multibillion-dollar project to construct a microchip manufacturing facility for Micron in Boise, Idaho.
- Represents Hancock Street Partners in various disputes and risk mitigation tied to a mixed-use transit/oriented development in Boston, Massachusetts.
Real estate Tier 5
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.‘s real estate practice provides comprehensive advice on transactional and financing work for real state funds, investors, and lenders. The group has extensive experience handling complex acquisitions, dispositions, financings, joint ventures, and leasing matters across the country. Notably, the practice also has a dedicated subspeciality regarding data center leasing, colocation, development, and financing transactions. In Boston, Daniel Gaquin, co-chair of the real estate practice, has extensive experience acquiring and selling commercial properties of all types, with a significant development practice focused on site control, planning, and permitting. Daniel Guggenheim acts as co-chair out of the Los Angeles office, with particular experience in mortgage and mezzanine loan originations and securitizations.Practice head(s):
Daniel Gaquin; Daniel Guggenheim
Other key lawyers:
Jennifer Kiely; Erin Natter
Key clients
Madison Square Garden
The Roxborough Group
Western & Southern Financial Group
Beacon Capital
The Davis Companies
NexCore Group
Northwood Investors
Arc Capital Partners
Sterling Investors
Finance > Project finance
Media, technology and telecoms > Cyber law (including data privacy and data protection)
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. > Firm Profile
Mintz is a litigation powerhouse and business accelerator serving leaders in life sciences, private equity, energy, and technology. The world’s most innovative companies trust Mintz to provide expert advice, protect and monetize their IP, negotiate deals, source financing, and solve complex legal challenges. The firm has over 600 attorneys across offices in Boston, Los Angeles, Miami, New York, Washington, DC, San Francisco, San Diego, and Toronto.
Lawyer Profiles
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Siegmund Gutman | View Profile | |
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William Kannel | View Profile |
- Finance > Restructuring (including bankruptcy): municipal
Top Tier Firm Rankings
- Healthcare > Service providers
- M&A/corporate and commercial > M&A: middle-market (sub-$500m)
Firm Rankings
- Dispute resolution > Corporate investigations and white-collar criminal defense
- Dispute resolution > E-discovery
- Labor and employment > Immigration
- Labor and employment > Workplace and employment counseling
- Media, technology and telecoms > Telecoms and broadcast: regulatory
- Dispute resolution > Securities litigation: defense
- Finance > Capital markets: equity offerings
- Healthcare > Life sciences
- Insurance > Advice to insurers
- M&A/corporate and commercial > Venture capital and emerging companies