Jason Greis

John O’Neil’s legal knowledge, business savvy, and leadership of complex transactions have earned him a reputation as a global leader in private equity fund matters. John heads the Investment Funds Practice Group, the Firm’s leading-edge global platform that provides innovative and bespoke legal strategies to sponsors and funds of all kinds. John is also a member of the Firm's Executive Committee. John has been recognized by Chamber’s Global, Chambers USA, IFLR 1000, L...

John Augustyn is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Patent Law. John, who practices law in Chicago, Illinois, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John is held by other top lawyers in the same geographic and legal practice area.

James J. Lukas, Jr. is Co-Chair of the Chicago Intellectual Property & Technology Practice. He focuses his practice on intellectual property litigation with a particular emphasis on patent litigation and related client counseling. He has experience with complex patent litigation cases in federal district courts throughout the country, including both enforcing patent rights and defending against charges of infringement on behalf of clients. He has first-chaired trials and claim constructio...

Ira Bodenstein is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law and Litigation - Bankruptcy. Ira, who practices law in Chicago, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ira is held by other top lawyers in the same geographic and legal practice area.

Bradley C. Giglio is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Bradley C., who practices law in Bloomingdale, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Bradley C. is held by other top lawyers in the same geographic and legal practice area.

Jennifer L. Colvin is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Jennifer L., who practices law in Chicago, Illinois, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer L. is held by other top lawyers in the same geographic and legal practice area.

Eligio Pimentel is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Eligio, who practices law in Chicago, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eligio is held by other top lawyers in the same geographic and legal practice area.

Head of the Securities practice group, Mark Wood is a highly skilled, pragmatic and client-focused practitioner with extensive experience representing public companies and investment banks in a wide variety of ongoing and transactional matters. These include IPOs and other public offerings of equity and debt securities, as well as mergers, acquisitions and other strategic transactions. Mark is also a leading advisor to institutional investors in highly structured private investment in public ...

Jeffrey (Jeff) M. Holdvogt regularly counsels public and privately held companies and tax-exempt organizations on a wide range of employee benefits matters. These include the design and administration of complex pension, 401(k) and 403(b) plans, nonqualified and executive deferred compensation arrangements, fiduciary and plan investment issues under the Employee Retirement Income Security Act (ERISA), internal compliance reviews and voluntary correction filings, and benefit plan matters arisi...

Michael T. Fishman is Co-Chair of the firm's Chicago Real Estate Practice who focuses his practice on real estate, real estate finance, private equity and real estate fund formation. His clients include institutional investors, investment advisors, public and private real estate companies, REITs and financial institutions. Michael has worked to form domestic and cross-border real estate funds and joint ventures, and regularly represents lenders on real estate projects throughout the United St...