Our Leadership

ArborMetrix brings together expertise, experience, and passion at the intersection of
healthcare, technology, and business.

ArborMetrix Team Photo
Maria Siambekos, M.B.A.

Chief Executive Officer

Maria is an experienced healthcare technology executive who leads ArborMetrix in its mission to advance healthcare through data science.

Maria has more than 25 years of diverse business and leadership experience in Fortune 10 and entrepreneurial organizations. She has served as CEO, President, and COO of multiple venture-backed early- and growth-stage healthcare enterprise SaaS-based companies, including Champion Healthcare Technologies, Vynca, and Healthbox. She also has previously held corporate leadership roles at GE Healthcare, and TheraDoc (a clinical IT business owned by Hospira).

Maria began her career as a clinical scientist at The University of Chicago and as a consultant. As a consultant, she led and contributed to a breadth of strategic, operational, and clinical technology engagements for hospitals, health systems, and payers. Maria has a B.S. in Biology from Yale University and an M.B.A. from The University of Chicago Booth School of Business in Finance, Strategy, and Entrepreneurship.

Chris Birkmeyer, M.S.

Chief Science Officer

Chris oversees the design, development, implementation, and refinement of measures, methods, and reports within the ArborMetrix platform, as well as the preparation of research and analysis for individual customers.

He provides leadership and expertise in the areas of data science and analytics that transform real-world data into real insights. Chris has more than 20 years of experience in health services research, outcomes analysis, and software development.

Prior to joining ArborMetrix, Chris was Executive Vice President at SCIO Health Analytics (now EXL Health), where he was responsible for software development, delivery and sales, and the practice lead for analytics and actuarial services. Previously, he directed the informatics department at Health Dialog, managed the Data Center for the Department of Surgery at Dartmouth-Hitchcock Medical Center, and consulted for The Leapfrog Group.

Chris holds a B.S. in accounting from the University of Connecticut and an M.S. in Epidemiology/Biostatistics from Dartmouth.

Steve Richvalsky

Chief Financial Officer

Steve is responsible for overseeing ArborMetrix’s financial and business operations.

He is an experienced leader with nearly three decades of building great companies with exceptional teams and strong cultures. His experience includes business planning, financial management, fundraising, and operational development and execution. Prior to joining ArborMetrix, Steve served as CFO of HandyLab, a molecular diagnostic company where he guided the growth and venture financing of the company, ultimately resulting in its acquisition by Becton, Dickinson and Company (NYSE: BDX).

Previously, Steve also served as CFO of Ardesta, an industry accelerator dedicated to the development of microsystems and other small technologies. He was CFO of a life science products company through its period of rapid growth culminating in its acquisition. Early in his career he held financial management positions with several innovative technology and software companies. Steve was an audit manager at Ernst & Young and earned a BSBA in accounting from John Carroll University.

Bradley Moore, M.P.H.

Vice President, Registry Solutions

Bradley considers registries to be so much more than data - they are living, evolving, valuable resources that drive meaningful, measurable quality improvement.

He has the experience, knowledge and passion to help our customers use our software and analytics to create impactful registries. With more than a decade of experience, Bradley has implemented technology solutions for nonprofits, government agencies, and healthcare organizations to help extend their value. He is driven to find innovative and high-impact solutions to healthcare’s most intractable issues. Previously, Bradley served as a Senior Program Manager at ArborMetrix overseeing the design and implementation of numerous projects. Currently, he works with various medical societies to help address their technology needs.

Bradley received his M.P.H. from Tufts University School of Medicine.

Joel Van Haaften

Vice President, Program Management

Joel leads the ArborMetrix Program Management team and is responsible for customer relationship management and program success.

His team serves as the primary day-to-day customer contact and manages all aspects of the customer’s solution, from gathering and communicating requirements to coordinating internal resources and guiding program design and enhancements.

Joel has more than 20 years of experience in project and program management, and customer support for analytic solutions. Prior to joining ArborMetrix, in his 10 years with ForeSee, Joel ran a team of more than 100 customer representatives servicing more than 650 customer organizations including the National Institute of Health, Centers for Medicare & Medicaid Services, and the Agency for Healthcare Research and Quality.

Rajashri Bharathan

Director, Software Engineering

Rajashri is responsible for developing and building the Software Engineering team whose efforts build the next generation of ArborMetrix technologies.

She is a skilled web development manager with experience leading teams through complex implementations of web solutions, while delivering quality-oriented results. Her passion and strength lie in creating high performing teams through personal development, trust, and communication. Rajashri has extensive industry experience including a start in front-end development before moving into managing and supporting software engineering teams. She is an expert in SDLC multiple development methodologies and is a seasoned Scrum Master.

Prior to joining ArborMetrix, Rajashri served in several leadership roles where she managed and supported teams of cross functional engineers and front-end developers, focusing on web development best practices, quality, security, development patterns, and growth and development of team members.

Rajashri holds a bachelor’s in computer sciences from PSG College of Technology, India.

Ryan LaPensee, M.S.Q.A.

Director, Quality Engineering

Ryan leads our Quality Engineering Team who are responsible for providing tools, services, and processes that improve the efficiency and effectiveness of our software.

He is an experienced software quality professional and an expert in manual, mobile, and automated testing. He is passionate about creating innovative tools and processes to improve software and organization efficiency, and he defines our QA approach with that in mind. He is an excellent leader, public speaker, and problem solver. Ryan is dedicated to delivering the highest quality products our customers can use to achieve their goals. Additionally, in 2016, he was inducted into the Wayne State Athletic Hall of Fame for his outstanding collegiate baseball career and went on to play professionally for 3 seasons with the Arizona Diamondbacks.

Ryan earned his Master of Science in Quality Assurance from California State University, and his B.A. in Chemistry from Wayne State University.

Anna Myers, M.H.I.

Manager, Product

Anna leads our strategic product initiatives and she oversees and manages our product roadmap to advance ArborMetrix’s mission.

She builds products and features that empower physicians, other care providers, and patients to make data-driven decisions and gain the insights they need to improve outcomes. Prior to her current role at ArborMetrix, she served as a Senior Solutions Architect where she worked with teams across the organization to design and configure reports, analytics, surveys, and new features. Anna is skilled at translating business and customer requirements into actionable design specifications, resulting in product features and enhancements that move our mission and our customers forward.

Anna received her Master’s in Health Informatics from the University of Michigan School of Information.

Chrystal Price, M.S.

Associate Director, Clinical Informatics & Policy

Chrystal’s passion for driving outcomes through process and analytics guides her in empowering customers to design and implement registry programs that leverage the latest health informatics and quality measurement best practices.

Her extensive industry knowledge and experience meets the evolving needs of customers as they design their data strategy ensuring goal achievement and registry success. Chrystal has 20 years of experience in data registries and regulatory advocacy.

Prior to joining ArborMetrix she served as the Associate Director of PCPI, National Quality Registry Network where she developed strategies to promote membership retention and organizational growth and educated policymakers on health informatics and quality measurement issues. She has previously held numerous roles for the American College of Surgeons including Data Analysis Coordinator, Data Analyst, and Data Operations Manager.

Chrystal holds a M.S. in Epidemiology from Michigan State University.

Parisa Soraya, M.H.I

Manager, Solutions Delivery

Parisa leads our team of product analysts in product implementation and client support, and oversees our Tableau reporting suite.

Her experience and customer focus allows her to understand the needs and challenges of each individual client to build the foundation of their data registry and create a viable path to their ultimate goals. Parisa ensures that the voice of the customer is heard and works closely with our internal teams to ensure timely implementation of new platform features and continued product innovation.

Prior to joining ArborMetrix, Parisa served in several healthcare roles which spanned the design, implementation and evaluation of large-scale health initiatives both locally and abroad. She co-founded a startup which created a digital platform connecting people with the same chronic illness for on-demand, in person peer support, and her academic background spans both UX/UI Design, Data Analytics and Healthcare Management.

Parisa received her Master’s in Health Informatics from the University of Michigan School of Public Health and Information.