Everything we do, we believe in being the trusted partner in improving outcomes for those we serve. We believe it matters who you use.

Vice President, Case Management
Brenda Kasch has been with VONA since the beginning, developing the very groundwork for all policies, procedures, and systems in place for VONA case managers. She earned her Bachelor’s Degree in Nursing from the University of Florida and has been in the medical claims industry for 20 years.
“Communication is what makes VONA stand out from the competition. Our clients are aware of each step of the claims process. When they work with VONA, they know they are getting passionate case managers who are honest and transparent throughout the file.”

Chief Commercial Officer
Linda Colsen is a seasoned leader in care coordination and strategic product development, bringing over 16 years of innovation from One Call to her role at VONA. Her deep expertise in workers’ compensation, catastrophic care and ancillary services further enhances VONA’s reputation for delivering high-quality programs that delight our clients. With a strong background in consulting from IBM and PwC, Linda excels at delivering scalable, strategic solutions that drive real outcomes. A recognized thought leader, she actively contributes to industry dialogue and will play a key role in advancing VONA’s mission in being the trusted partner, improving outcomes for those we serve.
“What sets VONA apart is our ability to turn complexity into clarity. We focus on what matters most—supporting clients, providers, and injured workers with solutions that truly make a difference.”

Vice President, Sales
Jonathan Simpson has spent several years at the leadership level in a number of industries. He earned his degree in business administration from the University of Phoenix then began a career in sales. He has always been passionate about people so it was a natural transition to the workers compensation industry. He has over seven years’ experience in this industry and has helped grow VONA’s footprint exponentially.
“What makes VONA unique? We believe in our exceptional people. We’ve removed the red tape that’s common in our industry and we allow and enable them to be great.”

Chief Financial Officer
Mike Langer brings over two decades of financial leadership and corporate development experience to the team. Prior to VONA, he served as CFO of Acclivity Health Solutions, a healthcare Software-as-a-Service platform, and VP of Strategy and Corporate Development at One Call, a leader in specialized healthcare solutions for the workers’ compensation industry.
Mike began his career in investment banking, where he spent 10 years at Lehman Brothers and Barclays. He has a BA in Computer Science and Economics from Amherst College.
“At VONA, our financial strategy is rooted in people. We believe that investing in a culture where every client, employee, and injured worker feels valued is not just the right thing to do, it is also smart business. When people feel important, excellence follows.”

Vice President, Finance and Accounting
Donna Johnson joined VONA in February 2019 as Director of Finance, bringing with her 34 years experience in accounting and finance. She earned her Bachelor’s Degree in accounting at Mississippi University for Women, her Masters in Business Administration at Mississippi State University.
“VONA is extremely culture-oriented, part of which is to make everyone feel important. Whether you are the client, injured worker, or employee, everyone is important and will have the best experience possible.“

Vice President, Human Resources
Erin Young is a seasoned Human Resources leader with over a decade of experience driving excellence in recruitment, training & development, employee relations, compensation, benefits, and performance management. Prior to joining VONA, she excelled in HR roles where she had the opportunity to streamline processes, manage large-scale recruitment initiatives, and develop programs that significantly improved organizational efficiency and employee engagement. She holds a Master’s Degree in Organizational Leadership from Palm Beach Atlantic University.
“At VONA, we prioritize professionalism, transparency, and relationship-building. By fostering open communication and a results-driven culture, we not only guide clients seamlessly through the claims process but also create a supportive and character-driven workplace for our employees.”

Operations Manager
Marsha Mitchell has been with VONA since shortly after the company launched in 2015. She provides key support to our field case managers, ensuring that all records, invoices, letters, and any other documents go out in a timely manner.
“Working for VONA is the best decision I’ve ever made. The staff is like family and everyone is willing to do what they need to do to get the job done.”

Executive Chairman
Ryan Shirley is the founder of VONA. He earned his Bachelor’s Degree in Physical Education from Troy State University in 2001 and his Masters Degree in Higher Education Administration from Auburn University in 2003. He started in the workers’ compensation industry in 2007, but has always wanted to start his own business. The opportunity presented itself in 2015 when he made the leap to start VONA. The company has continued to grow, bringing on new staff, expanding to new areas each year and becoming one of the fastest growing companies in the country.
“Here at VONA, we truly pride ourselves on being a great example in our professional and personal lives. We look to have a positive impact on all parties on each case that we assist with and I believe that we have consistently done that since our inception.”