About Us

About WPC

For 40 years WPC has been a leader in developing, implementing and supporting data standards. With a mission to do more than meet compliance and industry requirements, WPC builds the “Information IQ” of every client to ensure that healthcare is ready for whatever comes down the road next month or next year. With clients that include the largest health systems in the U.S. down to community hospitals and regional payers across the country, WPC Healthcare is the right partner to deliver the wisdom, performance and credibility necessary to optimize business and technology processes fueled by accurate, organized data.

Company Timeline



In September 2015, the management team executed a buyout of WPC Healthcare, creating an independent organization headquartered in Nashville, Tennessee.



WPC names former Microsoft executive Ray Guzman CEO of WPC Healthcare, rebranding the company and launching a healthcare information technology platform based on the successful execution of hundreds of engagements with healthcare organizations nationally.



WPC Services is launched in Nashville to expand business from publishing to consulting services around healthcare compliance and data-related issues.



WPC opens an office near Microsoft in Seattle Washington, establishing a West Coast presence and becoming a Microsoft Signature Partner.



WPC does a deal with Microsoft to develop key artifacts for the BizTalk Accelerator for HIPAA (a data integration engine), allowing data from multiple systems—both internally to an enterprise, and externally with their trading partners—to communicate with one another.



WPC is named in the HIPAA law as the publisher of most of the mandated electronic transactions as publisher for ASC X12N.



WPC is on the front lines as publisher for the Workgroup for Electronic Data Interchange. WEDI expected their implementation guides would be adopted under law. Ultimately the work became ASC X12N products.


1989 – Early 1990s

WPC began publishing for several industry associations, such as the American Petroleum Institute, the American Trucking Associations, and the Association of American Railroads as well as corporations, including Apple, IBM, and GE.



WPC was formally incorporated and began publishing EDI implementation guides for industry associations, beginning with the Voluntary Inter-industry Communication Standards, known as VICS. Bass worked primarily with Levi Strauss on the first retail supply chain implementation.


Mid 1980s

Steve Bass worked for EDI, Inc., the pioneering EDI translator company, running pilots as an advocate for industry transaction standards. Working with Service Merchandise, Brock Candy and others, including their trading partners, showcased the benefits of transaction standards.



Founder Steve Bass was hired by the Transportation Data Coordinating Committee (TDCC), the inventor of EDI as we know it today, as a graphic artist to draw flowcharts for the first publication of those EDI standards.

Leadership Team

Ray Guzman
Chief Executive Officer

As Chairman and CEO of WPC Healthcare, Ray is responsible for setting the company culture, defining strategy and direction, building and leading the senior executive team, allocating capital to the company’s priorities, and leading the board of directors.

Ray is the ultimate “connector.” He is skilled at connecting people and resources in ways that benefit everyone involved—whether in business or in the community. Under his direction, WPC is leveraging data science to address healthcare’s most pressing issues. His unique combination of leadership, business acumen, technical experience, and industry expertise have led to his selection as a delegate to represent the state of Tennessee on a healthcare economic development trip to Israel, a Nashville Business Journal 40 under 40 award, a Nashville Business Journal Healthcare Hero award, and a gubernatorial appointment to explore the feasibility of the state government utilizing an open data policy.

Prior to joining WPC, Guzman held a series of positions with increasing responsibility at Microsoft including technical, sales, business development, and corporate development roles. During his nearly nine-year tenure, he was directly responsible for generating more than $250 million in sales and services. Prior to joining Microsoft, Guzman honed his technical skills at corporations such as Freeliant, Venture Technologies, and Dialogic Communications.

Guy Crossley

Guy Crossley joins WPC Healthcare as president as the leadership team buyout takes place. He will be responsible for the company’s administrative and financial operations. Crossley arrives at WPC with 25 years of experience as an operational business leader with a track record of successfully scaling growth stage organizations, across varied verticals, through double-digit revenue growth. Prior to WPC Healthcare Guy was Chief Operating Officer of BLR Inc., a top provider of legal compliance solutions to employers. Guy also founded GAC Ventures an organization that seeks to initiate a buy and build strategy with its primary mission of achieving an above par return for its partners.

Chris Vrooman
Chief Experience Officer

Chris Vrooman leads all aspects of WPC Healthcare services delivery. He is responsible for ensuring that WPC has the best and brightest talent available to meet the needs of our clients. With more than 20 years of operations experience and education in acute care hospital, academic medical center, and healthcare corporate environments, Chris has the vision to keep clients ahead of the curve. Chris is an extremely skilled leader and has spent his career developing and mentoring business and technology experts.

Nolan Rhem
Chief Operations Officer

Nolan Rhem, Chief Operations Officer at WPC Healthcare, ensures that WPC meets or exceeds client expectations and that project teams are successful at delivering intended objectives. Nolan has 25 years of experience in technology and healthcare solutions delivery with an overall emphasis in project management and operational efficiency.

Patrick McGrath
Chief Technology Officer
and Chief Information Officer

Patrick McGrath is responsible for strategic and operational leadership for a growing WPC technology team driving decisions across a variety of client implementations. With more than 20 years of healthcare technology experience, Patrick has successfully collaborated with a wide spectrum of healthcare clients, assisting business and technology leaders with their strategic planning, providing insight and leadership in the leveraging and implementation of technology to achieve business objectives.

Patrick has expertise in the management of large-scale software development and implementation projects and extensive experience in the architectural design, development, planning and directing of software development initiatives. He is an effective communicator with abilities to facilitate business alliances and vendor relationships, establish and maintain client relationships and champion cost-savings objectives.

Amanda Cecconi
Chief Marketing Officer

Amanda Cecconi is responsible for the marketing and communications program at WPC Healthcare. Her experience spans 20 years and includes executive positions with Saint Thomas Health Services and Change Healthcare as well as other Fortune 500 companies such as Cendant Corporation and Ford Motor Company.

As an expert in brand development, lead generation and product marketing Amanda is well suited to lead WPC Healthcare into a premier position in the healthcare data and analytics market.

Damian Mingle
Chief Data Scientist

As Chief Data Scientist, Damian manages a team of experts transforming well-organized data into meaningful strategic insights. As the lead for the WPC Healthcare predictive analytics service Damian offers payers, hospitals systems and HIT vendors descriptive analytics, exploratory data analysis, inferential analytics, and mechanistic analysis.

Prior to WPC Damian has held a variety of positions in the healthcare, finance, and mortgage banking industries working with companies like Hospital Corporation of America, Coventry Healthcare, and Morgan Stanley. In his free time he and his team regularly participate in global competitions to solve intricate data related problems for organizations like the Mayor Clinic.


Want to join a great team? Let’s make healthcare work better… WPC hires the best and brightest, is that you? Let’s talk. Send us your resume and let’s see what we can do together. Our specialties include:

  • Technologists
  • Project Managers
  • Data Scientists

Acceptable file types: doc,docx,pdf.
Maximum file size: 1mb.

Contact Us

Let’s talk! We look forward to hearing more about your organization’s highest priority and sharing how WPC Healthcare can get you where you need to be.

WPC Healthcare
Nashville Headquarters

Nashville, Tennessee
1802 Williamson Court
Brentwood, TN 37027

Chattanooga Office
117 Lee Pkwy Drive
Suite 102C
Chattanooga, TN 37421