Ajay Kuttemperoor

Joseph Gumina is a shareholder at O’Neil Cannon and the Past Chair of O’Neil Cannon’s Labor & Employment Practice Group. Joe is licensed to practice law in the states of Illinois and Wisconsin. Joe has extensive experience representing management in a vast array of employment matters ranging from traditional labor matters involving labor negotiations and unfair labor practice charges to helping employers navigate the complexities of state and federal fair employment laws...

Gregory assists his clients with family law matters. He is recognized by judges and peers as one of Wisconsin’s premier family law attorneys. He uses his extensive skill, training, and experience to help his clients achieve successful resolutions of their divorce, paternity, custody, placement, and support matters. Gregory is a Fellow in the American Academy of Matrimonial Lawyers and a Board Certified Family Law Trial Advocate by the National Board of Trial Advocacy. He is uniquely pos...

Tamar Kelber is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice and Commercial Litigation. Tamar, who practices law in Milwaukee, Wisconsin, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tamar is held by other top lawyers in the same geographic and legal practice area.

Steve Nelson is a Shareholder in the Litigation and Risk Management Practice Group. Steve has extensive experience in litigation and concentrates his practice in commercial litigation including construction, civil and business, contracts and lease disputes, toxic tort, OSHA counseling and citation defense, personal injury defense, product liability, professional liability defense and Wisconsin fair dealership law. He has litigated on behalf of clients involved in complex construction matters ...

Caitlyn B. Sikorski is a shareholder in Reinhart’s Trusts and Estates Practice where she focuses on trustee compliance and litigation, including breach of trust, breach of fiduciary duty, undue influence, and significant construction and reformation matters. She represents individual and corporate fiduciaries, beneficiaries, and other parties involved in will, trust and intra-family related disputes and matters. Caitlyn is also experienced in prenuptial and marital property agreements, ...

Sally Piefer is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Labor Law - Management. Sally, who practices law in Milwaukee, Wisconsin, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sally is held by other top lawyers in the same geographic and legal practice area.

Jerome R. Kerkman is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law and Commercial Litigation. Jerome R., who practices law in Milwaukee, Wisconsin, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jerome R. is held by other top lawyers in the same geographic and legal practice area.

Terri Boxer is the Co-Chair of the Trusts and Estates Section. She practices in the areas of marital property, estate planning, and probate and trust administration. She advises clients on business succession planning and tax planning to minimize estate, gift and generation-skipping taxes. She provides services in the drafting of estate plans and other documents including wills, trusts, marital property agreements, premarital agreements and powers of attorney.

As the head of the firm’s Banking, Receivership, and Creditors’ Rights Practice Group, Seth regularly serves as a court-appointed receiver throughout the State of Wisconsin for businesses, construction projects, real estate developments, marital and family estates, rental income properties, and high net worth individuals. He also represents financial institutions, secured and unsecured corporate or individual creditors, companies seeking to acquire distressed businesses, and finan...

Kevin J. Howley is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, International Trade and Finance Law and Mergers and Acquisitions Law. Kevin J., who practices law in Milwaukee, Wisconsin, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kevin J. is held by other top lawyers in the same geographic and legal practice area.