
Tax
Andrew Mandelbaum is an Associate at Simpson Thacher & Bartlett, based in Houston, Texas. With a strong focus on tax law, Andrew has developed a robust legal career since earning his J.D. from the University of Virginia School of Law in 2016. Prior to joining Simpson Thacher & Bartlett in 2022, he gained valuable experience at Vinson & Elkins and Cravath, where he honed his skills in various legal disciplines. Andrew's academic background includes a B.S. from the University of Texas at Dallas, where he graduated summa cum laude. His practice is primarily centered around tax law, reflecting his commitment to providing expert legal counsel in this specialized area.
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- Francisco Partners acted as the acquirer in this Acquisition transaction. - The acquisition was executed in the Technology sector, strengthening the buyer’s strategic position. - The transaction was announced on 2025-10-29 00:00:00 with a reported value of 22000000000.
Oct 29 2025
2B
Private Equity

Associate
2022 – Unknown

Associate
2019 – 2022
Associate/Law Clerk
2016 – 2019

- Rosebank Industries plc acquired the target/assets from Electrical Components International in a acquisition on not available. - Deal value was 1900000000 Sector: Industrial; Location: Global. - On the acquirer side, counsel was not available; lawyers included Lucy Gillett, Keegan Lopez, Adam Signy, Eric Swedenburg, Deborah Harris, Thomas Kannan, John Saunders, David Goodman, Nick Scian, Neha Goyal, Andrew Bechtel, Harry Briffitt, Rachel Roberts, Ruairi McGill, Nick Shaw, Srishti Gupta, Surya Bala, Lampros Anastasopoulos, Sophie Staples, Andrew Mandelbaum, Benjamin Bressler, Oliver Rosshandler, Greg Grogan, Jesslyn Nunez, Claire Kamau, David Caldwell, Daniel Deacon, Mark Collier, Cary Milanes, Mick Tuesley, Etienne Renaudeau, Josh Buckland, James Perry, Luke Cowdell, Austin Lowe, Giovanna De Cristofaro, Toby Chun, Deepa Sarkar, Krista McManus, Helene Marie Snyder, Lori Lesser, Kate Mirino, Christian Bond.
Sep 06 2025
2B
Private Equity
1 min
Pro bono
2014 – 2017
Advisor
2012 – 2017
Summer Associate
2015 – 2015
Founder
2009 – 2013
Tutor
2012 – 2012
Junior Equity Analyst
2008 – 2009
Runner
2007 – 2008