Our team includes clinical leaders, sterile processing experts, OR specialists, data and systems professionals, and operational strategists.
Our team
At ASSI, we bring together experienced professionals from across the healthcare ecosystem.
Who we are
We’ve worked on the front lines. We’ve led departments. We’ve solved tough problems under pressure. Now we bring that insight to help you improve safety, performance, and compliance.

President
Jeffrey Christie
20+ years in healthcare operations. Leads ASSI with a focus on practical, people-first solutions that improve surgical services and sterile processing.
Jeffrey Christie leads Advantage Support Services, Inc. (ASSI) with a simple but powerful mission help healthcare teams perform at their very best. With over 20 years in healthcare operations and leadership, Jeffrey has seen firsthand the challenges hospitals and surgical centers face, from staffing shortages to compliance demands, and he’s built ASSI to be the go-to partner for solving them.
Under his leadership, ASSI has grown into a trusted name in Operating Room and Sterile Processing support, offering everything from interim leadership and specialized staffing to in-depth clinical assessments and performance optimization programs. He’s passionate about connecting the dots between frontline staff and executive leadership, making sure organizations have the right people, processes, and tools to succeed.
Jeffrey’s approach is hands-on and people-first—he’s as comfortable in the boardroom mapping out strategy as he is walking a department floor, listening to the team and finding opportunities for improvement. His focus is always on creating practical, sustainable solutions that improve efficiency, compliance, and patient care.
Outside of guiding ASSI, you’ll often find Jeffrey spending time with his family, volunteering for the Walk Strong Foundation, or in the woods.

Executive Director
Denise Velasquez
40+ years in staffing. Drives financial and operational success through talent strategy, compliance, and long-standing client partnerships.
Key Responsibilities:
Financial Stewardship: Overseeing financial operations, budgeting, and compliance to ensure sustainable growth.
Operational Optimization: Identifying and resolving complex operational challenges to enhance efficiency and productivity.
Talent Acquisition & Development: Attracting top talent, developing effective hiring strategies, and fostering a positive and productive work environment.
Regulatory Compliance: Ensuring strict adherence to all federal, state, and local laws and regulations.
Compliance: Ensuring adherence to all federal, state, and local laws and regulations.

VP of Client Success and Strategic Partnerships
Lawayne Perkins
Innovative leader known for mentoring, cost-saving initiatives, and building high-performance healthcare teams.
As an advocate for cost savings, Lawayne has consistently implemented strategies that optimize departmental operations and drive efficiency. His ability to identify areas for improvement and implement effective solutions has resulted in significant cost savings for multiple companies in both public and private sectors.
Lawayne firmly believes in the power of team building and service excellence. He promotes a collaborative and inclusive approach to leadership, fostering a culture of trust, cooperation, and high performance within organizations.
Through his dedication to mentorship, innovative leadership, and commitment to optimizing operations, Lawayne Perkins has made a significant impact on the success of multiple companies. His ability to inspire and empower others, combined with his strategic mindset, positions him as a valuable asset to any organization.

Executive Director of Surgical Services Strategy & Performance
Jhmeid B. Billingslea
Sterile processing expert with 10+ years of experience in education, quality management, and professional advocacy.
With over 33 years of experience in Surgical Services and as a current voting member for ANSI/AAMI standards, Jhmeid demonstrates the ability to educate, standardize, and implement process improvement plans in challenging surgical environments. His proven evidence-based leadership approach has empowered and united surgical and non-surgical departments while working with a diverse range of personalities. He initiated an internal School of Sterile Processing in a facility with a 42% certification rate, which resulted in a 93% certification rate, and he was named the Georgia Society of Healthcare Materials Management 2017 Supply Chain Executive of the Year.

Clinical Resource Manager
Vanessa Frank
Sterile processing expert with 10+ years of experience in education, quality management, and professional advocacy.
As Chapter Treasurer for the Keystone State Association of Sterile Processing Professionals, she advocates for best practices and ongoing professional development. Her career includes roles as a Sterile Processing Technician, Educator, Content Marketing Specialist at Censis Technologies, and CE Development Support at Beyond Clean. With more than a decade of experience, Vanessa specializes in quality management, SOP development, and training. She is pursuing a BBA in Health Care Administration/Management and holds several professional certifications, reflecting her commitment to advancing healthcare practice.

Director of Human Resources
Jenny JC Muhammad
28+ years in HR. Specialist in talent acquisition, employee relations, and cultivating inclusive workplace culture.

Integrated Systems and Marketing Manager
Monique Boudreaux
Bridges operations and branding through system design, process optimization, and creative communications.
At ASSI, she oversees the company’s internal systems, process optimization, and communications—implementing cost-effective solutions, managing high-impact projects, and ensuring teams have the tools and workflows needed to achieve business goals. Her background in design, CMS and HTML website management, and event planning makes her a uniquely versatile leader, capable of aligning technical execution with creative marketing initiatives.
Monique is recognized for her critical thinking, leadership, and problem-solving skills, having successfully managed complex projects that drive measurable results. Her technical expertise spans multiple platforms, including Windows and MacOS, Microsoft Office Suite, Google Workspace, communication and project management tools, and accounting software.
Passionate about continuous improvement and innovative thinking, Monique plays a key role in advancing ASSI’s mission helping healthcare organizations improve compliance, efficiency, and patient safety through effective staffing, consulting, and operational solutions.

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Who we are
How we help
Contact us
Call us:
615-341-6222
Our address:
7115 Southpoint Parkway, Suite 5310 Brentwood, TN 37027
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