About Us

Doug Williams is the founder and CEO of Rialtic, a new venture in the next generation of the Payment Accuracy space. Rialtic equips and enables payers to reduce complexity and costs while improving payment and billing accuracy.

Doug formerly served as the President and CEO of Cotiviti (COTV), a leading provider of payment accuracy and analytics-driven solutions that serves the healthcare and retail markets. Doug was iHealth Technologies’ founder and CEO from its inception in 2001 through its merger with Connolly in 2014, where it rebranded as Cotiviti. Veritas Capital later acquired Cotiviti in 2018 for $4.9 billion.

Before establishing iHT, Doug served as Chief Executive Officer of Magellan Specialty Health following its acquisition of Vivra Specialty Partners, a national leader in health technology and management, where Doug was Executive Vice President. Before that, Doug held various senior strategic leadership roles at CIGNA Healthcare. He has a B.S. in Business Administration from Appalachian State University.

Kyle Collins is a Director within Rialtic’s Product organization, leading product management activities for Rialtic’s Payment Accuracy product. Before joining Rialtic, Kyle spent six years at Deloitte Consulting, focusing on cloud engineering and the financial services industry.

Kyle received his MBA from the University of Virginia's Darden School of Business and his undergraduate degree in Mechanical Engineering from the University of Notre Dame.

Kyle is an avid skier, a devoted uncle, and an amateur mixologist outside of work. He lives in Atlanta, GA.

Kyle shares original cocktail recipes through his mixology Instagram account, @ThirdCoastCocktails.

Lisa Craig is VP of People for Rialtic, responsible for leading people and talent strategies and maximizing human capabilities within the Company. She has more than 25 years’ experience across diverse industries and is results-oriented people champion, committed to building inclusive cultures. 

Prior to Rialtic, Lisa served as: VP of Organizational Excellence for Serta Simmons Bedding, VP of HR Talent Excellence at Cotiviti, and Global HR Director for Eastman Kodak. Lisa earned a Business Administration degree from Middlesex College, SPHR Certification from HRCI, and in 2022 she successfully completed Harvard’s Executive Education Program.

Born in Yonkers, NY, Lisa is the eldest of five daughters, married to her best friend for 30 years and is the proud parent of three amazing children and two spoiled canine puppies.

Lisa is an avid spectator of competitive volleyball and marching bands in support of her children.

Rethna Eddy is the Director of Talent at Rialtic. She is responsible for bringing world-class talent to the company, every day. She has 11 years of experience in recruiting before Rialtic, specializing in sales and senior recruiting with over 3,000 placements. Rethna has worked with Series A, Series B, Series C, and seed companies to implement in-house scalable talent functions. She is a trusted advisor to founders in recruiting, focusing the most on the candidate journey. 

Before Rialtic, she led and scaled talent teams at SeedInvest (seed, acquired by Circle), Komodo Health (Series D), and Crossborder Solutions (Series C), and came from Axiom Law (Series D, successful sale), a recruiting startup for legal talent. Reth is passionate about diversity and inclusive practices in recruiting, building strong companies, and geeks out over psychology.

She is the eldest immigrant daughter of two and lives in New York City. On the side, she is either booking a plane or on one. She graduated with honors from Lafayette College and holds a B.A. in English and Psychology.

Reth reads over 300 books a year! She finds that travel and reading both result in the same adventurous new setting and new experience feeling. Reth typically reads six books at a time and aspires to have a bookshop in France one day.

As the Director of Content for Professional Payment Accuracy at Rialtic, Jen leads the content team in developing clinical and coding edits that help clients prevent overpayments for Medicare, Medicaid, and commercial claims. With a relentless focus on payment integrity, the team strives to provide easy-to-understand policies that empower payers and providers with the information they need to support denials, increase clean claim rates and facilitate learning. In this role, she is also responsible for driving the prepayment Policies strategy and executing the roadmap. 

Jen is the former Vice President of Revenue Cycle Solutions & Implementation for Eye Care Leaders, where she oversaw the compliance and implementation of multiple EMRs, PMS, and revenue cycle services. Before this role, Jen was the Vice President Development and Operations for The Coding Institute, where she was directly involved with creating healthcare technology solutions (AAPC Codify, Healthicity, Auditing) that promote accuracy, education, and streamlining of revenue cycle services. 

She is a national leader in correct coding and policy advocacy, presenting at multiple national conferences and authoring numerous articles. For over 20 years, she has been a certified coder and auditor and holds certificates in pediatric and ophthalmology coding.

Michael joined Rialtic from Enlace Health, where he served as Chief Revenue Officer. Under Michael’s leadership, the company grew to over 122 million covered lives, creating the most extensive customer base in the value-based care business. 

Before Enlace, Michael served as Chief Revenue Officer at Rx30 Pharmacy Management System, where he delivered exponential growth. Johnson brings two decades of leadership and sales experience bringing new healthcare products and services to market for industry leaders such as TriZetto, Casenet, and Cerner. He has a track record of delivering double and triple-digit revenue increases throughout his career. 

Doug is a Customer Success and Business Development Executive and has served organizations within the healthcare industry for 20+ years. He has a strong track record in sales and revenue growth, strategic partnership development with health plans of all sizes, and operational excellence. He has significant experience with startup and SaaS-based organizations within the payment integrity, revenue cycle management, and health risk assessment industries.

Doug graduated from the University of California San Diego with the highest distinction and has a Master's in Health Services Administration from Arizona State University.

Doug is an avid wine collector and consumer with 750+ bottles in his cellar.

Matt Michel serves as Rialtic’s VP of Finance, strategically leading finance operations and capital allocation decision making. Matt has a proven history of creating effective operational rigor around financial planning and performance review, cost optimization, and driving operational efficiency with the intent to scale.

Prior to Rialtic, Matt served as Director of Finance for Blink Health, Director of FP&A for VICE Media, and Investment Banking Associate for Guggenheim Securities — with a focus on healthcare M&A and healthcare capital markets. Matt earned his MBA from Columbia Business School and a Bachelor of Science in Business Administration from The University of North Carolina at Chapel Hill.

Dr. Scanavino heads up Rialtic's content team, which is responsible for creating and implementing payment policies and processes essential to delivering a high-quality payment accuracy product. After serving as the Medical Director for national accounts at United Healthcare, Dr. Scanavino founded and was CEO of Physician Health Partners, a large managed service organization in Denver. He later co-founded Medicare y Mucho Mas, Puerto Rico's first Medicare Advantage plan, before becoming president of a second successful Medicare Advantage health plan, MCS Advantage, Inc.

Dr. Scanavino is a seasoned healthcare executive and board-certified urologist who has practiced urologic surgery for twenty years. He has also co-founded and served as board chair of two acclaimed charter schools in Denver, serving severely underprivileged children.

James Schaffer is the VP of Product at Rialtic. He is an accomplished Product Management executive with a background in leading product management, operations, and design for early-stage healthcare startups. Prior to Rialtic, James worked in patient engagement, real-world data, and, most recently, healthcare compliance, using artificial intelligence to monitor patient privacy and safety.

James enjoys the frenetic nature of early-stage companies and has been part of multiple exits throughout his career. Before his time in healthcare, he worked within the online advertising industry and digital publishing, where he was an award-winning Creative Director in both print and digital media.

James lives in Baltimore, Maryland, and outside the office has a passion for stand up paddle boarding, collecting art, and coaching his son's soccer team. 

Tonya Thepthongsay is the Director of Risk & Compliance at Rialtic. In this role, she leads the company's governance, risk management, and compliance programs, including internal and external audits and assessments. Before joining Rialtic, she spent 11+ years in technology audit, risk, and compliance roles in the healthcare, manufacturing, and technology services sectors. She is well-versed in HIPAA Security and Privacy, SOC 1, SOC 2, HITRUST, and SOX ITGC. 

Tonya has a Bachelor of Finance from the University of Tennessee, a Master of Business Administration from Lipscomb University, and is currently pursuing a Doctor of Business Administration from the University of Missouri – St. Louis. She also holds the following ISACA professional certifications: Certified Information Systems Auditor (CISA), Certified in Risk and Information Systems Control (CRISC), and Certified Data Privacy Solutions Engineer (CDPSE).

Tonya enjoys creating hand-letter designs for home and party decor, t-shirts, and cards.

Cliff Walker is the Implementation Services VP at Rialtic with over 20 years of experience in software product development, electronic data interchange processing, claims life cycle, claims processing, project management, and related resource management.

From requirements gathering to post-implementation support, Cliff has been involved in all development aspects for private equity and Fortune 500 environments. He has concentrated healthcare program and project management experiences in areas such as Medicaid, Medicare, government-based, TPA, and commercial lines of business.

Cliff also holds extensive experience implementing EDI X12N transactions in a B2B/trading partner environment — including real-time and batch transactions using industry-standard protocols and applications. He understands all ASC X12N HIPAA EDI transaction sets, NCPDP, and common standard healthcare formats. He thoroughly knows the claim system adjudication processes in various US-based health plan claim systems. 

Cliff, an honors graduate from Florida A&M University, obtained a Master of Healthcare Administration (MHA) degree from the University of Phoenix. He is also certified as Project Management Professional (PMP) from the Project Management Institute.

Cliff enjoys golf, fishing, and home improvement projects, while attending various sport activities with his twins, Mason and Madison Walker.

Roy Ziegler leads the go-to-market team at Rialtic, including sales and customer success. His goals are to support the growth of the business through new and expansion opportunities, learn from the market about product growth requirements, and create positive customer experiences resulting in solid retention.  

Roy's background includes over 30 years of experience in the healthcare market through consulting, investing, and operations management. Most recently, he was a member of the Go to Market team at Cotiviti, where he worked with large national customers. 

Roy has summited the highest mountain peaks on five continents, ran a marathon (due to losing a bet), and went to Burning Man — his playa name is 'Ditch'!

Bark bark woof!