Pierre J. Allegaert

Pierre J. Allegaert’s practice focuses on corporate and financial transactions, particularly mergers and acquisitions.

He is also active in the firm’s pro bono practice, primarily advising on small business and nonprofit matters.

Pierre joined the firm in 2019. He was resident in the New York office from 2019 to 2022.

Synopsys in the up to $2.1 billion sale of its Software Integrity business to Clearlake Capital and Francisco Partners.
GlaxoSmithKline in its $1.4 billion acquisition of Aiolos.
Artémis in its acquisition of a majority stake in CAA from TPG.
T-Mobile in its $1.35 billion acquisition of Ka’ena and its subsidiaries and brands, Mint Mobile, Ultra Mobile, and Plum.
Atlassian in its acquisition of Orderly from K15t GmbH.
Warburg Pincus and its portfolio companies in numerous transactions, including:
- Warburg Pincus and Advent International in their $4.25 billion acquisition of Baxter’s BioPharma Solutions business.
- Warburg Pincus and Duravant in Carlyle’s investment in Duravant.
- Warburg Pincus in its minority investment in Internet Brands.
Voya in its combination agreement with AllianzGI.

Senior Articles Editor, Journal of International Law and Politics, New York University School of Law

Associate