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Leadership Team

Ryan M. Nellis

Vice President and General Manager

Alex Tatiyants

Chief Technology Officer

Mathaeus Dejori

Chief Data Scientist

Renae Jones

Chief Operations Officer

Todd Shannon

National Vice President, Sales

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Stanson Health

Ryan Nellis is the Vice President and General Manager at Stanson Health, a Premier Inc. company. In this role, he leads a team of clinicians, engineers and data science experts who work together to deliver AI-infused solutions to improve patient care and health costs via a growing client network of over 670 hospitals and 445,000 physicians. The Stanson team designs bespoke, scalable clinical decision support solutions that help optimize complex care processes such as prior authorizations, enable appropriate documentation and ensure patients get the best treatment options at the lowest price point. In addition, the Stanson platform efficiently connects payers and providers around what is best for the patient and enables platform partners to increase their reach into communities.

Mr. Nellis is a growth-oriented leader who delivers business value in investor/venture and Private Equity-backed, high-growth public and private companies. He has developed and executed strategies in the health analytics and real-time clinical decision support solution markets – from both the provider and payer perspective. Nellis joined Stanson/Premier from Optum, a subsidiary of United Health Group, where he led teams bringing multi-million-dollar software-as-a-service (SaaS) solutions into the provider and payer markets. Prior to Optum, Nellis was part of the early team at Humedica and was instrumental in helping the company grow. He has also held positions with McKesson and GE Healthcare.

Mr. Nellis is a graduate of the University of Notre Dame.

Alex Tatiyants is the Chief Technology Officer at Stanson Health. In this role, he’s responsible for the overall product vision as well as all aspects of product development including design, implementation, and support. Prior to Stanson Health, Mr. Tatiyants was the Director of Technology at Zynx Health. At Zynx, he led software development efforts across all product lines including AuthorSpace, a web-based Component Content Management System (CCMS) for structured medical content. Mr. Tatiyants holds a bachelor degree in computer science from UCLA and a Masters in Business Administration from Pepperdine University.

Mathaeus Dejori is the Chief Data Scientist at Stanson Health, a Premier Inc. company, and is responsible for machine learning and data science across all Stanson Health’s products and services. Dejori has over 15 years of experience developing and operationalizing products utilizing machine learning. Before joining Stanson Health, he led data science at Zynx Health, where his team developed Zynx’s first AI-driven product offering called Knowledge Analyzer.

Dejori has authored numerous scientific publications, and holds patents in the field of machine learning and healthcare IT. He received a Ph.D. in computer science from the Technical University of Munich.

Renae Jones is the Chief Operating Officer at Stanson Health, a Premier Inc. company, and is responsible for streamlining internal and customer operations to align with company goals. She has over 17 years of experience in healthcare SaaS technology implementation, management and leadership.

During her time at Stanson, Jones has focused on team building and value-adding methodologies used in the day-to-day member engagements, as well as multiple beta software deployments. Prior to joining Stanson, she spent nearly a decade at PatientKeeper, Inc. where she managed large physician information system implementations, with special emphasis on streamlining provider workflows through software solutions.

Jones received a B.S. in management information systems from Northwest Missouri State University in Maryville, MO, and is a licensed Project Management Professional (PMP).

Todd Shannon is the National Vice President of Sales at Stanson Health, a Premier Inc. company, and brings more than two decades of healthcare technology experience with a focus on driving innovation, building client-facing organizations and a deep understanding of provider and payer markets. In his role, Todd leads the commercial team, which is responsible for new business sales and client expansion initiatives across multiple healthcare verticals.

During his career, Todd has served in a variety of sales and marketing leadership roles at organizations such as McKesson, Pharos Innovations (patient engagement, accountable care) and Lewis Computer Services (a ResMed Company).