The PBS Executive Management Team

We take our financial responsibility to your practice seriously.
Our leadership team strives to be a seamless extension of your organization.
Steve Mims

Steve Mims

Chief Executive Officer

Steve Mims knows financial management. He has provided over twenty years of successful leadership in the areas of billing operations, contract negotiations, strategic planning and business valuations.

Bringing extensive revenue cycle knowledge accumulated through his past experience, including executive director of financial services, president and chief executive officer, practice administrator roles across physician practices and payors, Steve’s relentless focus is the business and operational success of our clients.  

Steve is an active member of RBMA and has served as a past board member of the RBMA. As a former radiology practice administrator, Steve brings unique knowledge and experience to our clients with his expertise in hospital joint ventures, vendor relations, payor contracting and group dynamics.

Nicole Jones-Gerbino​

Nicole Jones-Gerbino

President

Nicole Jones-Gerbino sees around corners and asks questions that bring continuous improvement for our clients. She brings over two decades of experience in practice management, revenue cycle leadership, and operations across radiology practices and health systems to PBS. Nicole’s tenure in radiology includes 5 years leading revenue cycle and outpatient operations for a leading multi-site imaging practice in Southern California. Her years of revenue cycle management in the national arena working with some of the largest radiology practices in the country position PBS to deliver industry-leading results. Most recently, Nicole worked in a senior leadership role at UC San Diego Health where she managed strategic growth and client development of large multi-specialty networks, helping providers navigate regulatory and quality programs and improve their financial outlook. She has served on various compliance and state regulatory boards, including the executive committee of the California RBMA.

Desiree Overcast_

Desiree Overcast

Chief Operations Officer

Desiree Overcast leads our operational teams, and is active in all aspects of client implementation and technology. Desiree came to PBS from a large imaging center where she led IT administration. She has years of experience in operational workflows of multiple radiology practices through her work with PBS. Desiree also brings a keen understanding of RIS/PACS/EMR/HL7 interfaces. Her unique operational perspective combined with this technical expertise delivers unparalleled results for our clients. Desiree brings critical understanding and know-how to maintain, streamline, automate and advance PBS workflows and systems to deliver superior operational and technical fluidity for our clients.

Kara Connor

Kara Connor

Chief Strategy Officer

Kara Connor leads strategic planning, growth initiatives, and enterprise alignment across the organization. With over 20 years of experience in healthcare, 14 years in radiology, Kara brings deep industry insight and a proven ability to drive sustainable growth at scale.

Kara has led the development and expansion of PBS’s national brand, shaping its identity, messaging, and market presence. She oversees business development, sales, and marketing efforts, guiding strategy and execution to support continued growth and strengthen partnerships across the country. Kara ensures alignment between the organization’s strategic vision, operational priorities, and core values. She is known for connecting strategy to execution, building scalable systems, fostering collaboration, and driving initiatives that position PBS for long-term success.

Michael Gonzales

Michael Gonzales

Executive Director of Client Services

Michael Gonzales is an experienced executive revenue cycle leader with over 30 years of experience in the healthcare industry. He has a proven track record of successfully leading and engaging teams to identify and develop strategies that optimize revenue cycle performance in radiology, multi-specialty, and non-profit health systems. Michael is deeply involved with state and national advocacy and education efforts. He is a member of the Radiology Business Management Association (RBMA), where he is a Fellow. He has held numerous leadership roles in the organization at both national and state levels.

Michael previously served as the director of billing for Radiological Associates of Sacramento (RAS) for 15 years, where he managed a team of over 100 employees. In 2014, the practice was acquired by Sutter Health and Michael took on the role of regional revenue cycle manager, where he was a key member of the transition team. His years of operational revenue cycle expertise continue to benefit PBS clients.

Michael is passionate about creating a positive and productive environment that enhances revenue cycle performance and improves the experience for both patients, clients and employees. He is dedicated to driving results and fostering collaboration to achieve organizational goals.

Andrew Mims

Andrew Mims, MBA

Director of Finance

Andrew leads financial strategy, budgeting, forecasting, and performance initiatives for PBS Radiology, bringing proven expertise in finance, operations, and business systems to the organization. He partners across teams to strengthen processes, improve efficiency, and align financial and operational goals with scalable solutions that drive measurable results for clients. Andrew is passionate about continuous improvement and building frameworks that support sustainable growth and long-term success.

Shay Kelly

Shay Kelly

Executive Director of Information Technology

Shay Kelly is our software and technology delivery expert. Her broad experience spans across multiple size companies and infrastructure to provide advanced technology for our clients and working environments for our team. Shay’s military background brings a commitment to excellence as she leads PBS’s information technology initiatives.

Her 13 years of practical experience in information technology, strong technical background, and enthusiasm for continuous improvement deliver optimized system platforms and software development to PBS.

As a founding ImagineSoftware employee working in multiple roles for over a decade, Shay’s specialization in radiology blended with her development expertise positions her perfectly to lead our team of recognized Imagine super users.

Landi Marriott

Landi Marriott

Executive Director of Implementations

Landi Marriott is our transition execution expert. With technical and project planning expertise, Landi has been a critical member of PBS management for 15 years. Landi’s tenure working with the ImagineSoftware platform as a recognized super user helps PBS achieve smooth transitions for our clients. Landi and her team work with our clients from discovery and onboarding through implementation to ensure success. She is responsible for the seamless integration of our clients – whether they are coming from major vendors or in-house billing operations.

Lynda Murdock

Lynda Murdock

Executive Director of Human Resources

Lynda Murdock engages employees and builds successful teams. Through her expertise, PBS recruits and retains top talent in 13 states. Lynda is a talented advocate for our employees, promoting professional growth at PBS through mentorship, training, and education for our teams.

Lynda is a human resources professional who has a passion for inspiring others to succeed through education and professional development. She has successfully aligned human capital with strategic performance goals within organizations in hospitality, healthcare, education, and global manufacturing, using her 20 years of human resources experience in organizational development and strategy, employee engagement, recruitment, and employee relations.

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Angie Wardlaw, CPC, CMPE

Director of Client Services

Angie Wardlaw is a results-oriented, purposeful leader with over 20 years of accomplishments in healthcare operations and revenue cycle management. Angie is known for her creative and solution-driven skills and leads by building solid relationships with internal and external customers. She is passionate about helping others, streamlining processes, and producing effectual transformations. 

Before joining PBS as a Client Services Director, Angie has been a vital member of the executive leadership team in both operational and revenue cycle roles in radiology and multi-specialty physician practice groups in North Carolina.

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Gregory D. Wertz, MS, CMPE

Director of Client Services

Greg Wertz is a seasoned client-centric healthcare executive with over 25 years of leadership experience in revenue cycle management, regulatory affairs, and practice operations. As a Certified Medical Practice Executive (CMPE), he has guided radiology practices nationwide in optimizing financial performance, streamlining workflows, and ensuring compliance with evolving federal programs such as MIPS and MACRA.

Greg has spearheaded large-scale transitions to new reporting platforms, developed advanced data analytics tools, and delivered thought leadership through webinars, publications, and national speaking engagements. Known for his strategic vision and collaborative approach, he excels in driving measurable outcomes for clients while fostering team development and operational excellence

Romi Goodwin, CMPE

Director of Client Services

Romi Goodwin is an experienced healthcare executive with over 25 years in radiology practice and revenue cycle management, specializing in supporting multi-site healthcare organizations. As a Director of Client Services, she combines deep operational expertise with a client-focused approach to navigate complex regulatory, payer, and reimbursement environments.

A Certified Medical Practice Executive and industry leader, she is known for driving operational improvements, strengthening payer relationships, and delivering sustainable results through collaborative leadership.

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Laura Manser, CPC, CPCO, CDEO, CPMA, CEMC, CIRCC, RCC

Director of Provider Education

Laura Manser turns complexity into clarity. As Director of Provider Education at PBS Radiology Business Experts, she brings over 25 years of radiology expertise to one of the most specialized roles in the industry, bridging the gap between clinical documentation and coding accuracy, compliance, and revenue performance.

A nationally recognized radiology subject matter expert, Laura holds one of the most comprehensive credentialing portfolios in radiology coding, with certifications from both AAPC and RCCB spanning coding, auditing, compliance, documentation improvement, and evaluation and management. This breadth positions her to see the full picture, and to teach it effectively.

Laura designs and delivers targeted education programs for coders and physicians alike, equipping teams with the knowledge to improve documentation quality, reduce compliance risk, and optimize reimbursement. Her proactive leadership, dedication to continuous improvement, and deep commitment to excellence make her a trusted partner to providers and practices navigating the ever-evolving landscape of radiology coding and compliance.

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Stephanie Miller

Sales and Marketing Manager

Stephanie Miller leads strategic marketing and business development efforts at PBS, focused on positioning the organization’s business experts as a trusted revenue cycle partner for radiology groups navigating growth, operational challenges, and partner evaluation.

Stephanie has over 22 years of experience in healthcare business development, including more than 16 years focused specifically in radiology. She has held leadership roles across radiology practices and hospital-based imaging environments, giving her a well-rounded, market-informed perspective on how radiology groups operate within the larger healthcare landscape and what they prioritize when evaluating partners.

Her experience includes contributing to growth and expansion across diagnostic imaging environments. At PBS, she applies that perspective to help radiology groups better understand their options when evaluating revenue cycle partners by building trusted relationships that support informed, long-term decision-making aligned with their priorities.

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