
Corporate
Financial Services
David Ostermann is an Associate at Willkie Farr & Gallagher in New York City. He specializes in Corporate and Financial Services law, bringing a wealth of experience from his previous roles at PwC and the Office of the New York City Comptroller. David earned his JD from the University of Pennsylvania Law School in 2020, following a Master’s and Bachelor’s degree from Binghamton University. His practice focuses on corporate transactions and financial services, leveraging his diverse background in both legal and financial sectors to provide comprehensive legal solutions.
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- Insight Partners sold the stake/assets to Roper Technologies, Inc. as part of an acquisition. - Deal value was 1650000000 (source: Extracted) Sector: Software; Location: USA. - On the seller side, legal advice was provided by a team including Morgan Elwyn, Matthew Guercio, Andrew Marmer, David Ostermann, Alexandra Rios, and Matthew Killip.
Mar 28 2025
2B
Private Equity

Associate
2023 – Unknown
Law Clerk
2021 – 2023
Summer Associate
2019 – 2019
Summer Legal Intern
2018 – 2018

- Gainline Capital Partners acquired the target/assets from M&M International in an acquisition. - Deal value was 2200000000 Sector: Medical Devices; Location: USA. - On the acquirer side, legal advice was provided by a team including Gregory Astrachan, Justin Sommerkamp, David Ostermann, Michael Louis-Jean.
Feb 04 2025
2B
Private Equity

1 min
Senior Associate
2017 – 2017
Associate
2014 – 2016
Assurance Intern
2013 – 2013
Summer Analyst
2012 – 2012