10 White & Case M&A partners
M&A Partner Co-Head, Corporate Technology M&A, PE/M&A Partner and Partner are among the current titles held by these White & Case M&A partners in the firm's US offices. A reader can learn how M&A partners work at White & Case from people who have held the role.
Professionals to explore
Adam Cieply
LinkedInExperience: Partner · White & Case LLP
Adam Cieply has been a Partner at White & Case LLP since January 2020, based in New York, and describes being a partner in the firm's Mergers & Acquisitions practice group, representing buyers and sellers in private and public mergers and acquisitions. Adam Cieply was an Associate at White & Case LLP from 2015 to 2020 and at Stikeman Elliott LLP from 2009 to 2015.
Dario de Martino
LinkedInExperience: M&A Partner Co-Head, Corporate Technology M&A · White & Case LLP
Dario de Martino has been M&A Partner Co-Head, Corporate Technology M&A at White & Case LLP since June 2026, based in the New York City area. Dario de Martino was an M&A Partner at A&O Shearman from 2021 to 2026 and at Morrison Foerster from 2015 to 2021, and a Corporate and M&A Associate at Loeb & Loeb LLP from 2012 to 2015.
Hayden Baker
LinkedInExperience: Partner · White & Case LLP
Hayden Baker has been a Partner at White & Case LLP since January 2023 and describes being a partner in the firm's Global Mergers & Acquisitions practice group, based in its New York office. Hayden Baker was a Partner at Troutman Pepper from 2018 to 2023, a Partner at Sullivan & Worcester LLP from 2015 to 2018 and Counsel at Davis Polk & Wardwell LLP from 2006 to 2015.
Jarlath McGurran
LinkedInExperience: Partner · White & Case LLP
Jarlath McGurran has been a Partner at White & Case LLP since January 2017 and describes being a partner in the firm's M&A practice based in New York and serving as Head of the Americas M&A Practice. Jarlath McGurran was an Associate at White & Case LLP from 2015 to 2016 and a Managing Associate at Linklaters from 2003 to 2015.
Jaye Kasper
LinkedInExperience: PE/M&A Partner · White & Case LLP
Jaye Kasper has been PE/M&A Partner at White & Case LLP since February 2025, based in New York. Jaye Kasper was PE/M&A Partner at Cadwalader, Wickersham & Taft LLP from 2024 to 2025, a Partner at Kirkland & Ellis from 2021 to 2024 and an Associate there from 2015 to 2021.
John Reiss
LinkedInExperience: Partner · White & Case LLP
John Reiss has been a Partner at White & Case LLP since January 1992, based in New York, and describes serving as Global Head of the firm's Mergers & Acquisitions (M&A) Practice Group. John Reiss was an Associate at White & Case LLP from 1984 to 1992.
Luisa Muskus
LinkedInExperience: Partner · White & Case LLP
Luisa Muskus has been a Partner at White & Case LLP since January 2026, based in Greater Houston, and the profile headline reads M&A Partner at White & Case LLP, with energy, infrastructure and cross-border transactions. Luisa Muskus was a Senior Associate at White & Case LLP from 2019 to 2026 and an Associate at Orrick, Herrington & Sutcliffe LLP from 2016 to 2018.
Matthew Kautz
LinkedInExperience: Partner · White & Case LLP
Matthew Kautz has been a Partner at White & Case LLP since September 1998, based in New York, and describes being a partner in the firm's Mergers & Acquisitions group. The listing shows only this role, so check the full profile for the rest of the background and any other firms the person has practiced at.
Morgan Hollins
LinkedInExperience: Partner · White & Case LLP
Morgan Hollins has been a Partner at White & Case LLP since April 2018, working in Houston, and the profile headline reads M&A Partner at White & Case LLP. The listing shows only this role, so check the full profile for the rest of the background and any other firms the person has practiced at.
Paul Tiger
LinkedInExperience: Partner · White & Case LLP
Paul Tiger has been a Partner at White & Case LLP since February 2026, based in New York, and describes advising on public and private M&A transactions, private equity investments and stockholder activism. Paul Tiger was a Partner at Freshfields from 2019 to 2025 and at Cleary Gottlieb Steen & Hamilton LLP from 2006 to 2019.
Choose the right perspective
Match the person's practice focus, such as public company deals, private equity, technology or energy transactions, to the question you want to explore. Weigh how long each person has been a partner and which other firms they practiced at, since that shapes the range of matters they have seen.
Questions to take into the conversation
- 01What does a typical week look like for you as an M&A partner?
- 02How has your own practice changed since you became a partner?
- 03What do you think people outside the field most often misunderstand about how a cross-border deal gets done?
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About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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