Robin Oldenstam

Tanya brings a unique perspective to Sherr Puttmann Akins Lamb PC through her extensive background as a Master of Social Work (MSW). Prior to graduating cum laude from DePaul University College of Law, Tanya spent eight years as a Licensed Clinical Social Worker conducting custody evaluations and providing courtroom testimony of her custody findings and recommendations. Her experience gives her special insight into cases involving mental health and substance abuse issues, as well as complex d...

Riley Key’s practice focuses on counseling financial services clients facing regulatory and enforcement challenges in the mortgage, auto finance, debt collection, small dollar lending, and payments (credit cards, debit cards, prepaid cards, mobile payments, and cryptocurrencies) industries. Riley is a member of Bradley’s Banking and Financial Services Practice Group and is also a member of the firm’s Auto Finance and Payments industry teams. Through his broad range of experi...

Kelann Stirling is a top attorney recognized by Best Lawyers in the practice area(s) of CleanTech Law and Energy Law. Kelann, 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 Kelann is held by other top lawyers in the same geographic and legal practice area.

Daniel Rozansky is a Partner of the firm in the Business Litigation, Entertainment and Privacy practices. Clients engage Dan before disputes ever arise to advise on strategies to minimize litigation risk and to put clients in a position for a successful outcome if litigation does arise. For example, he regularly reviews television pilots, screenplays and other material in development to assist those clients in identifying and avoiding potential liabilities; he advises clients, including Fortu...

John N. Lambros concentrates his practice in the area of marital and family law, with a focus on dissolution of marriage issues including alimony, child support, parental responsibility, timesharing and equitable distribution; post-dissolution matters; adoption; paternity; pre-nuptial and post-nuptial agreements; and other related matters. Mr. Lambros is admitted to practice in Florida, Michigan, Massachusetts and in U.S. District Court for the Southern District of Florida. He is a member of ...

Ashley is a shareholder focusing on civil defense litigation, handling matters at all stages - from pre-suit stage investigations and negotiations, through discovery, settlement, trial, and appeal. She has successfully defended individuals, professionals, corporations, employers, and insurers in matters involving allegations of personal injury, premises liability, product liability, and insurance coverage. Ashley is committed to providing service that produces successful results and her clien...

Diane Windholz is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Diane, who practices law in New York, New York, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Diane is held by other top lawyers in the same geographic and legal practice area.

Lori F. Winland is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Lori F., who practices law in Oklahoma City, Oklahoma, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lori F. is held by other top lawyers in the same geographic and legal practice area.

Sandra I. Dorsthorst is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Sandra I., who practices law in Houston, Texas, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sandra I. is held by other top lawyers in the same geographic and legal practice area.

Mark T. Hayden is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Corporate Law. Mark T., who practices law in Cincinnati, Ohio, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark T. is held by other top lawyers in the same geographic and legal practice area.