Mark A. Ziccarelli
Legal Counsel for Lake Metroparks since 1999.


A graduate of Mentor High School, Mark A. Ziccarelli graduated magna cum laude from Ohio Wesleyan University in 1976, where he was admitted into Phi Beta Kappa Honor Society. He then earned his Juris Doctorate from Ohio State University in 1979.

Following graduation from law school, Mark Ziccarelli entered private practice, and since then he has specialized in the areas of personal injury, domestic relations, worker’s compensation, business litigation and misdemeanor criminal cases, appearing before both state and federal courts. Mr. Ziccarelli has appeared in court in hundreds of cases involving his area of practice.   Mr. Ziccarelli is licensed to practice law before all State and Federal Courts in Ohio, including the United States Federal District Court and Sixth District Court of Appeals.  Unlike many attorneys, Mr. Ziccarelli is not afraid to go to trial on behalf of clients. He enjoys the opportunity to fight for each case.

Mr. Ziccarelli also serves as a magistrate in the Willoughby Municipal Court since 2001, and has served as president of the Lake County Bar Association. Mr. Ziccarelli has served on the Ohio Supreme Court Board for the certification of attorneys as specialists, and was a trustee for several years for the Ohio Association of Justice.  Mark Ziccarelli has also has served as an expert witness in multiple cases.  He is a distinguished member of the Ohio State Bar Association, Lake County Bar Association and American Bar Association.

Mr. Ziccarelli is also licensed since 1981 to practice law in the state of Florida

Mark Ziccarelli has been a partner at the law firm since 1985. He is married to Shawn and has two boys who attend Ohio Wesleyan University and Lake Catholic High School. He enjoys spending time outside when the weather allows it.


James P. Martello

martelloA graduate of Cathedral Latin High School, James P. Martello received his undergraduate degree from the University of Dayton in 1971 and his Juris Doctorate degree from the Cleveland-Marshall College of Law in 1974. Mr. Martello has 34 years of experience in representing claimants in worker’s compensation cases, Social Security disability cases and personal injury cases throughout northeast Ohio.

Mr. Martello has been representing individuals before the Ohio Bureau of Worker’s Compensation and the Industrial Commission of Ohio for 34 years. He has handled many complex injury cases before the Industrial Commission of Ohio in various cities across northern Ohio and in various county Common Pleas courts.

Mr. Martello is a member of the Cleveland Bar Association, Akron Bar Association, Lake County Bar Association, National Association of Social Security Representatives, Ohio Academy of Trial Lawyers and American Association of Trial Lawyers. Mr. Martello is licensed to practice law before all State and Federal Courts in Ohio, including the United States Federal District Court and United States Court of Appeals.

Mr. Martello has been representing individuals in Social Security disability cases before the Social Security Administration since 1974. Mr. Martello has handled hundreds of hearings before federal administrative law judges throughout Ohio and in Florida, New York, Pennsylvania, West Virginia, Indiana and Michigan. Mr. Martello has had an extremely successful track record in obtaining benefits for Social Security disability claimants who have previously been denied benefits.

Mr. Martello also represents individuals in PERS claims, SERS claims, long-term disability claims, longshoremen cases (Jones Act), medical malpractice, railroad (FELA) and worker’s compensation and personal injury claims resulting from auto accidents and construction site accidents.

Mr. Martello is married to Mary Ann and they are the parents of Michael, Carrie McElwee, Daniel and Jeffrey and they have two grandchildren, Cecelia and Lucy.


Thomas Mayernik

mayernickThomas Mayernik is a lifelong resident of Lake County, where he still resides with his wife, Michelle, and their three children, Joshua, Matthew and Lauren. He is a graduate of Lake Catholic High School.

Thomas graduated from Baldwin-Wallace College in 1986 with a B.S. in business administration. He was a multiyear letterman in football, was the Lee Tressel Academic Excellence Award winner and was inducted into Omicron Delta Kappa, a national leadership honor society. He graduated from Cleveland-Marshall College of Law in 1989, where he was a member of the Jerome Prince Moot Court team, which won the award for the best brief. He was inducted into the Order of the Barristers, a national honor society which recognizes excellence in advocacy.

Thomas has been in private practice since 1989. The first few years as an associate in a regional insurance defense firm, where he gained first- and second-chair trial experience. In 1993, he joinedZiccarelli, & Martello, where he has specialized as lead trial attorney in the areas of personal injury, worker’s compensation, contracts, commercial transactions and probate matters, appearing in both state and federal courts. He is admitted to practice law in the state of Ohio, U.S. District Court for the Northern District of Ohio, 6th Circuit Court of Appeals and United States Supreme Court. He is active in his church, having served as a trustee and has served as an arbitrator and mediator in the local courts.


Deneen LaMonica

LaMonicaA graduate of Mentor High School, Deneen LaMonica graduated summa cum laude from Cleveland State University in 1997.  She then earned her Juris Doctorate degree from Cleveland Marshall College of Law in 2000.

Following graduation from law school, Deneen worked at a boutique law firm in Cleveland, Ohio, and then Chicago, Illinois, defending asbestos claims on behalf of premises owners, product manufacturers, and contractors.

Deneen next worked at one of the largest law firms in Cleveland, practicing in the areas of commercial litigation, personal injury defense, anti-trust compliance, and white collar crime.  Deneen has successfully tried numerous cases to verdict in various courts around Ohio.

Deneen will be focusing her efforts at Ziccarelli & Martello on all types of litigation matters including personal injury, workers compensation litigation and social security disability.  In addition, she will be practicing in the areas of white collar crime, domestic relations and OVI/DUI traffic matters.

Deneen is a significant contributor of her time to the Legal Aid Society and has obtained great results for its clients in matters ranging from landlord-tenant, to domestic relations, to general litigation.  She is licensed to practice law in Ohio and Illinois, and is an active member of the Ohio, Cleveland Metropolitan, Chicago and Federal Bar Associations.  Deneen is also a member of the Defense Research Institute and the Justinian Forum.

Deneen is the proud mother of two girls, both graduates of Notre Dame Cathedral Latin.  When she is not practicing law, you will often find Deneen teaching a spinning class or a body pump class in various gyms in the Cleveland area.


Danielle S. Coleman

colemanDanielle S. Coleman is proud to be an associate attorney of Ziccarelli & Martello. She graduated from Lake Catholic High School in 1994 with honors. She was president of her senior class. In 1998, Ms. Coleman graduated from John Carroll University with a Bachelor of Arts degree in English. She volunteered for a number of organizations, including Harvest for Hunger and the Humility of Mary.

Danielle earned her law degree from the University of Akron School of Law in 2001. She was involved in a number of organizations, including being the president of the Environmental Law Society and secretary of the Law Association of Women. She also was awarded the Outstanding Woman Award in 2001.

Before joining Ziccarelli & Martello, Danielle focused her practice on asbestos defense and worker’s compensation defense. She now primarily focuses her practice on representing injured workers. Danielle manages the majority of the firm’s administrative settlements. She attends administrative hearings and has argued successfully in front of the Industrial Commission in Columbus, Ohio. She also shares responsibilities of the firm’s worker’s compensation litigation practice.

Danielle and her husband, Chris, live in Bay Village, Ohio, and are the proud parents of a baby girl, McKenna.