Mamoon El Tayeb

John Callahan advises clients on health sector mergers and acquisitions. Public companies, private equity firms, nonprofit health systems, academic institutions and governmental entities have trusted John to assist them in executing their most critical transactions. His unique focus on corporate and healthcare law drives an efficient and client-oriented approach to executing transactions. John is Head of International Health M&A for the Firm. Read full biography: https://www.mwe.com/peopl...

Kelly L. Mendoza is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Kelly L., who practices law in Phoenix, Arizona, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kelly L. is held by other top lawyers in the same geographic and legal practice area.

Mr.Sherwin received his BA from Cal State Northridge in 1969, and his JD from Loyola University School of Law in 1972. Mr. Sherwin is a member of the California and Los Angeles Bar Associations, the Inland Empire Bar Association, the Consumer Attorneys of California and the Consumer Attorneys of Los Angeles. He has served as a member of the Board of Governors for the Consumer Attorneys of California. Mr. Sherwin has served as a Superior Court Arbitrator and serves as an independent mediator.

Evan A. Hill is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Evan A., who practices law in New York, New York, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Evan A. is held by other top lawyers in the same geographic and legal practice area.

Joshua B. Waxman is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Joshua B., who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joshua B. is held by other top lawyers in the same geographic and legal practice area.

Ronald Berenstain, a partner in the firm's Litigation practice, has been lead counsel in scores of high-stakes securities and corporate governance cases for more than 30 years. His practice is focused on representing public companies and their officers and directors, as well as underwriters and accountants in shareholder class action litigation, shareholder derivative litigation, merger and acquisition litigation, Employee Retirement Income Security Act (ERISA) class action litigation, Securi...

Karen R. Glickstein is a principal and the office litigation manager of the Overland Park, Kansas, and Kansas City, Missouri, offices of Jackson Lewis P.C. For more than 25 years she has represented employers in discrimination, harassment and retaliation litigation ranging from single plaintiff cases to defense of EEOC class action matters. She also has significant experience defending clients in whistle-blowing and restrictive covenant matters, as well as advising clients on a wide variety o...

Catherine Guttman-McCabe is a top attorney recognized by Best Lawyers in the practice area(s) of Civil Rights Law. Catherine, who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Catherine is held by other top lawyers in the same geographic and legal practice area.

Celeste R. Yeager is board certified by the Texas Board of Legal Specialization in labor and employment and represents employers across the country in employment disputes before local, state and federal administrative agencies and courts. With over 18 years of experience, Celeste maintains a vibrant labor and employment practice litigating and consulting on behalf of management regarding a variety of employment topics, including: Title VII of the Civil Rights Act The Americans with Disabiliti...

Simeon H. Baum, President of Resolve Mediation Services, Inc. (www.mediators.com), has successfully mediated over 2,000 disputes. He has been active since 1992 as a neutral in dispute resolution, assuming the roles of mediator, neutral evaluator and arbitrator in a variety of cases, including the highly publicized mediation of the Studio Daniel Libeskind-Silverstein Properties dispute over architectural fees relating to the redevelopment of the World Trade Center site, Trump’s $ 1 billi...