Dean Zusmer

Founder, 305-INJURED
Growth & Partnerships, OneCallLegal

Dean Zusmer is the Founder of 305-INJURED and leads Growth & Partnerships at OneCallLegal, where he focuses on strategic growth initiatives, marketing systems, technology, partnerships, and business development.

Before launching 305-INJURED, Dean spent more than two decades as a chiropractor, helping thousands of patients recover from accident-related injuries and navigate the often-confusing process that follows a serious accident. That firsthand experience gives him a unique understanding of what injured individuals and their families need during a difficult and uncertain time.

As Mr. 305-INJURED, Dean is building a trusted South Florida injury brand that helps accident victims understand their options, take the right next steps, and connect with experienced legal representation at OneCallLegal, Miami, FL.

Crystal Zusmer

Owner & CEO, 305-INJURED LLC Crystal Zusmer is the Owner & CEO of 305-INJURED LLC and the voice behind Mrs. 305-INJURED. A graduate of East Carolina University with a background in marketing and public relations, Crystal has spent decades working alongside her husband, Dean, supporting the growth and marketing of his chiropractic practice while serving as a compassionate patient advocate. Through years of hands-on experience, she has helped injured individuals and their families navigate the difficult period following an accident, connecting them with appropriate chiropractic care and trusted legal advocacy. Her experience has given her a deep understanding of the recovery process and the importance of making people feel informed, supported, and cared for every step of the way. Today, Crystal brings that experience to 305-INJURED, helping build a trusted South Florida injury brand focused on guiding accident victims toward the resources and support they need. Through Mrs305Injured.com, she shares her perspective on recovery, community, and helping families through life’s unexpected challenges.

David Seltzer, Esq.

Managing Partner, OneCallLegal David Seltzer is the Managing Partner of OneCallLegal and an accomplished attorney with more than two decades of legal experience. A 2004 graduate of the University of Miami School of Law, he began his career as a prosecutor with the Miami-Dade State Attorney’s Office, gaining extensive trial experience, including work in the Cyber Crimes Unit. David later founded his law firm on a client-first philosophy and built a reputation for handling complex, high-stakes matters in state and federal courts. His criminal defense practice has included cybercrime, digital forensics, sophisticated investigations, and federal prosecutions. Having worked on both sides of the courtroom, he brings a distinctive strategic perspective to every case. Known for relentless advocacy, creative legal strategies, and an unwillingness to accept “no” for an answer, David is often the attorney clients and colleagues turn to when the stakes are highest. As Managing Partner, David is involved in every aspect of OneCallLegal, including firm leadership, case strategy, client service, operations, and growth. He also assists with complex personal injury matters, applying his extensive litigation experience to pursue favorable outcomes for injured clients. Admitted to practice in Florida, New York, Colorado, and the District of Columbia, David continues building OneCallLegal into one of the most trusted personal injury law firms in Miami and South Florida.

Menachem “Mendy” Mayberg, Esq.

Founding Partner, OneCallLegal Menachem “Mendy” Mayberg is a Founding Partner of OneCallLegal with more than 25 years of legal experience. A 1999 cum laude graduate of the University of Miami School of Law, Mendy began his career as a Miami-Dade Public Defender, where he developed the courtroom instincts and advocacy skills that continue to shape his civil litigation practice. As a founding partner, Mendy has played an integral role in the firm’s growth and development into a dynamic, full-service law firm serving clients throughout Florida and across the United States. He now oversees the firm’s civil practice, representing clients in high-stakes litigation, complex business disputes, contract matters, and strategic legal advising. Known for persuasive writing, sharp legal analysis, and a practical, no-nonsense approach, Mendy is a trusted advisor to individuals, entrepreneurs, and business owners. He also brings his extensive litigation experience to complex personal injury matters, working relentlessly to pursue the strongest possible outcome for injured clients.

Eric Katz, Esq.

Partner, OneCallLegal Eric Katz is a Partner at OneCallLegal and a dedicated Florida personal injury attorney. His practice focuses on auto accidents, wrongful death, negligent security, and premises liability. Eric has worked in personal injury law offices since before law school, giving him over a decade of experience in the field. He is known for strong negotiation, tireless advocacy, and a results-driven approach centered on giving every case the attention it deserves. By applying this strategy, Eric has successfully secured multiple seven-figure settlements while helping injured clients pursue meaningful outcomes.

Suzanne Bell, Esq.

Partner, OneCallLegal Suzanne Bell is a Partner at OneCallLegal with more than a decade of prosecutorial experience. A graduate of Hofstra Law School, Suzanne began her legal career with the Miami-Dade State Attorney’s Office, where she handled complex, high-volume cases, including work in a specialized insurance fraud unit. Today, her practice focuses on civil litigation and client advocacy, and she assists with complex personal injury matters requiring careful analysis and determined representation. Fluent in Spanish, Suzanne is known for listening carefully, connecting with clients, and fighting tenaciously to pursue the best possible result while keeping them informed and supported throughout the legal process.

Questions?

If you or a loved one has been injured in an accident, call 305-INJURED for a free consultation. 305-465-8733