About Roger J. Griesmeyer

Roger Griesmeyer is not your average deal attorney. He combines his legal experience and knowledge, background in social psychology and education, and passion for client service to craft creative and bespoke transactions that best meet clients’ goals. Companies turn to Roger for his sophisticated approach to transactions across diverse industries, from health care, life sciences and pharmaceuticals to technology, fintech and beyond.

A sophisticated approach to business counsel

Roger advises clients ranging from private equity and venture capital funds to companies on strategies related to acquisition, growth, development and disposition. He applies his legal insight, experience, background and skill to help clients meet their goals as they expand.

Roger is an adjunct corporate drafting professor at Brooklyn Law School and serves on the Alumni Board. He is also the president of the Dartmouth College Class of 1998.

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Representative Experience

  • Represented a fintech unicorn in its acquisition of a business unit of one of the largest US financial institutions. *
  • Represented a fintech company in an investment from, and exclusive relationship with, a major US financial institution. *
  • Represented a national real estate management and services company in its sale of the company to a private equity purchaser. *
  • Represented a global provider of managed services and high-precision, high-speed connectivity in its sale to a leading global cloud networking provider. *
  • Represented one of the largest cancer centers in the United States in multiple joint ventures with private equity, venture capital and strategic partners. *
  • Represented one of the largest cancer centers in the United States and the governing body of a state university system in a joint venture with a health care investment firm to advance autophagy-targeted therapeutics for cancer treatment. *
  • Represented one of the largest cancer centers in the United States and the governing body of a state university system in a joint venture with one of China’s leading integrated health care enterprises to focus on T-reg cellular therapies. *
  • Represented one of the largest cancer centers in the United States and the governing body of a state university system in a joint venture with a provider of technology for single-cell manipulation to develop scalable manufacturing solutions for cancer treatments, including CAR-T and T-cell receptor therapies. *
  • Represented a private equity provider of debt financing to performing middle-market companies in Europe and the United States in multiple transactions. *
  • Represented a manufacturer/seller of clothing, food and home furnishings in the acquisition and disposition of its investment in a New York City-based menswear and womenswear brand. *
  • Represented operator of prescription pharmacies in various corporate and real estate transactions. *
  • Represented a private equity firm in its acquisition of a leather goods brand. *
* Experience prior to Katten

News

Publications

  • February 2021
    2020 Retail Industry Year in Review
  • May–June 2019
    The Culture of Counterparties | Deal Lawyers
  • 2016
    Mergers and Acquisitions Law 2016: Top Lawyers on Trends and Key Strategies for the Upcoming Year | Thompson Reuters
  • 2014
    Mergers and Acquisitions Law 2014: Top Lawyers on Trends and Key Strategies for the Upcoming Year | Thompson Reuters

Presentations and Events

Practices
Industries
Education
  • Brooklyn Law School, JD, summa cum laude
  • Dartmouth College, AB
Bar Admissions
  • New York
Community Involvements
  • American Bar Association
  • Brooklyn Law School, Alumni Board
  • New York City Bar Association
Recognitions
Recognized or listed in the following:
  • Super Lawyers
    New York Rising Star – Business/Corporate Law, 2013–2016
Award Methodologies