Kenneth R. Callahan

Kenneth R. Callahan is Of Counsel at Mansour Gavin, focusing on civil litigation and corporate and business services. With over 30 years of legal experience as a public defender, a judge, and attorney, he specializes in a wide array of legal matters including complex commercial litigation, receivership, guardianship, and white-collar criminal defense. His vast experience and perspective are highly regarded and leveraged as an arbitrator serving as a private judge in the state of Ohio.

Equal to his depth of experience is his commitment to and support of local professional legal associations and community organizations serving as a board member, leader, and founder to champion their causes. Ken has been recognized in a variety of ways for the many contributions he has made to the legal community and his alma maters. He received the Golden Gavel Award from the Ohio Common Pleas Judge’s Association, the Outstanding Alumnus Award from the Cleveland-Marshall Law Alumni Association, and the Cardinal Bellarmine Award from St. Ignatius High School. He is consistently recognized as an Ohio Super Lawyer – Business Litigation by Insider Business. He has also been named a member of the Irish Legal 100 by the Irish Voice magazine. Ken has been appointed and re-appointed by U.S. Senators Brown and Voinovich to the Federal Judicial Commission for the Southern District of Ohio. He was a member of the Cuyahoga County Charter Review Commission by the then County Executive, Edward FitzGerald. He has recently served on The Judicial Advisory Committee by appointment of the District Court of the Northern District of Ohio.

As a committed member of the communities in which he serves, Ken lives in University Heights with his wife Martha, where they raised their three sons. He is passionately involved in supporting local causes yet still finds time to write occasional book reviews for The Plain Dealer and is the author of a monthly column for the Irish American News. As a retired elective office holder, Ken enjoys continuing friendships in the media and public life.

Tatyana is a member of the firm’s business and corporate law group where she focuses her practice in the areas of mergers and acquisitions in various industries. Tatyana has extensive experience in purchases and sales of professional practices as well as consulting doctors and other professionals on various employment law issues.

Tatyana advises clients on general corporate matters, such as corporate entity selection and formation and also provides advice to global corporations on commercial agreements and day-to-day corporate governance.

Prior to joining Mansour Gavin, Tatyana was a transactional attorney leading sales and purchases of professional practices.

She is a graduate of Cleveland-Marshall College of Law and Taras Shevchenko National University of Kyiv.

Mr. McGuire is an experienced trusts and estates attorney, helping clients obtain solutions based on their unique situations, concerns and goals. Dan has represented clients in the entire wealth spectrum, and is adept at advising clients to address changing circumstances that require planning for the future.

Dan is licensed in the states of Ohio and Florida. Before joining Mansour Gavin, he was involved on the administrative side of trusts, ensuring the stated goals and intentions of trust grantors were correctly interpreted and executed.  Dan also served as a mentor to newer trust officers, teaching the practicalities of trust administration, and providing them an accelerated education in the field.

Dan enjoys spending time with his wife and two sons and extended family and friends. In his leisure time, he enjoys reading, and has an unrequited love for golf.

Kathryn Weber focuses her practice on real estate and land use issues. She handles both real estate transactions and real estate litigation. She has experience representing clients in commercial and residential leasing, acquisitions and sales, landlord-tenant disputes, and development projects.

She enjoys representing clients both inside and outside of the courtroom. Kathryn completed law school with a concentration in business and transactional law and was also a member of the Cleveland-Marshall College of Law Mock Trial Team.

Kathryn resides in the Old Brooklyn neighborhood of Cleveland. She enjoys checking out local bars and restaurants in Cleveland and spending time with her friends and family.

Kenneth Smith is an attorney practicing in civil litigation who represents companies and employers in all aspects of their business needs. He focuses his practice within the General Civil Litigation and Labor and Employment groups.

Licensed in Ohio and in all federal courts in the state, Mr. Smith has represented clients in arbitration, in front of the Equal Employment Opportunity Commission, in unemployment hearings, and at other state administrative proceedings. Outside the courtroom, he has assisted companies with obtaining various commercial licenses, and has helped draft and implement internal policies and procedures.

Ken and his family reside in Independence. An active tennis player, Ken also enjoys hiking and endeavors to one day visit every national park in the country.

Mr. Boyko is an experienced attorney who practices in the areas of probate and estate planning, including wills, trusts and powers of attorney, elder law, real estate and business law. He previously served as managing partner of the law firm of Boyko, Dobeck & Weaver before joining Mansour Gavin in late 2016. He is currently admitted to practice law in both the State of Ohio and the State of Florida, as well as the United States District Court, Northern District of Ohio.

Tim represents individuals, companies and non-profit organizations in his practice. He has extensive experience in estate planning, probate and elter law matters, as well as in representing clients with business and real estate matters. In addition, Tim counsels clients with issues involving Florida probate, estate planning and real estate.

Tim is a member of the Ohio State Bar Association, Florida Bar Association, Parma Bar Association, and the National Academy of Elder Law Attorneys. Mr Boyko involves himself with various community organizations, including serving as Chairman of the Board of Directors of UH Parma Medical Center.

Tim has three children, and in his spare time enjoys traveling. He is greatly involved in fundraising for The Patty Boyko Foundation in memory of his late wife; the Foundation provides comfort services to cancer patients.

Veronica T. Garofoli focuses her practice on probate litigation as well as wealth management and estate planning. She is licensed to practice in the state of Ohio and has been admitted to practice in the U.S. District Court, Northern District of Ohio.

Determined to follow in the path of her late grandfather, Anthony J. Garofoli, Veronica attended law school at his alma mater. While at Cleveland-Marshall College of Law, she externed at the Cuyahoga County Probate Court as well as the Eighth District Court of Appeals.

Veronica is a Cleveland native, educated at Beaumont School for Girls. Her years of experience as an athlete and a captain empower her to bring a teamwork approach to her representation of clients.

Veronica resides in Pepper Pike and enjoys spending time with her family and friends. She loves cheering on Cleveland sports teams, especially the 2016 NBA Champion Cleveland Cavaliers.

Mr. Mansour is the founding partner of the firm and specializes in Corporate and Business Law.  He continues to counsel corporate clients on complex business issues, antitrust litigation and labor matters. He has extensive trial experience in national and international jurisdictions and has successfully represented clients before the United States Supreme Court.

Mr. Mansour is licensed in the State of Ohio, and his notable cases include:

Crawford Fitting Company v. J.T. Gibbons, Inc. Champion International Corporation v. International Woodworkers of America, AFL-CIO, CLC, 482 U.S. 437, 107 S. Ct. 2494, 96 L.Ed.2d 385 (1987)

Walker v. Engle, 703 F.2d 959, 12 Fed R. Evid. Serv. 1819 (6th Cir. 1983)

Ernie and his wife Lois reside in Shaker Heights, and enjoy spending time at their home in Naples FL. He is actively involved in a number of civic, community and charitable organizations.

Charles Brown is an accomplished estate planning and probate attorney with more than 26 years of experience in probate litigation. He has previously served as Magistrate since 1988, and Chief Magistrate and Probate Court Mediator since 2009 for Cuyahoga County, the largest and most prominent probate court in the state of Ohio.

Mr. Brown has handled thousands of cases involving all aspects of probate litigation, including wealth management and estate planning.

He is a lecturer and continuing legal education (CLE) teacher on a variety of topics involving probate issues and procedures.

In his free time, he enjoys traveling with his wife, Barb, and three children, cooking and a number of outdoor activities, including golf, hiking, fishing, and his dog Riley.

Notable Cases:

Schwartz v. Tedrick, 2016-Ohio-1218


James A. Budzik’s practice is concentrated in public and private sector labor and employment law representing management and employers. He specializes in collective bargaining negotiations, mediations, fact-finding, conciliations, unfair labor practice proceedings, civil service disciplinary proceedings and grievance arbitrations on behalf of numerous public sector entities. He advises city and village representatives on municipal law issues.  In addition, Jim counsels employers in wage and hour laws, civil rights, discrimination laws, unemployment laws and workers’ compensation.

Jim regularly appears in court and before administrative agencies, including the Industrial Commission of Ohio, Equal Employment Opportunity Commission, Ohio Civil Rights Commission, the National Labor Relations Board and SERB. He is licensed in the State of Ohio and admitted to the Northern District of Ohio, Southern District of Ohio, U.S. Sixth Circuit, and U.S. Supreme Courts. His notable cases include:

Jim and his family live in North Royalton. A diehard Cleveland sports fan, he optimistically awaits the next professional sports championship. Jim also takes an active interest in politics.