Skip Navigation

Mohamed Diab

Mohamed is the Chief Executive Officer of HDMS. He has more than 25 years of experience in the healthcare industry, with a strong background in population health, medical management, pharmacy benefit management, clinical informatics and cost management programs.

Previously, Mohamed was Vice President of Provider Transformation at Aetna. He focused on population health management and helping providers transform their care delivery to achieve the “Triple Aim” by improving quality of care, reducing unnecessary cost and enhancing member experience.

Prior to joining Aetna, Mohamed was a Principal in PwC’s Health Industries Advisory practice where he lead the population health strategy and service offering for health systems in the metro NY area. He also provided consultative services to various payers and health systems to develop and execute successful population health strategies. He was also a Vice President of Medical Management and Chief Pharmacy Officer at EmblemHealth, where he was responsible for all medical management and pharmacy benefit operations at the plan.

Mohamed oversaw the development and implementation of medical policies as well as the execution of the utilization management, case management and disease management programs. He also worked with various health systems and physician groups in NY on value based care models to improve the quality of care and reduce waste. Mohamed was also responsible for the informatics function, as well as the cost management program. He also led the care management and pharmacy operation at Horizon Blue Cross Blue Shield of NJ.

Mohamed is a physician by training and received his MBA from St. Johns University in NY.


Matt Asmus

Matt Asmus is Chief Financial Officer (CFO) at HDMS. He has more than ten years of health care experience, ranging from finance and accounting functions to medical economics. He has a strong background in managed care organization financial and operational management, and specialty is in reimbursement arrangements, value-based contracting and new business growth.

As CFO, Matt is responsible for oversight of financial operations, service pricing, organizational profitability as well as financial planning, reporting and analysis. Before his current role, he was an enterprise planning lead, where he managed the budget for the organization and led financial strategy and planning discussions. He also led a financial department at HealthFirst which focused on risk-pool performance improvement for local health systems taking risk on their member populations. Leveraging complex workgroups, his team drove improvements in both member health as well as physician reimbursement.

Matt received his Bachelor of Arts degree in Financial Economics and his MBA, both from Binghamton University in New York.


Mark Magnuson

Mark Magnuson is Vice President and Chief Technology Officer at Health Data & Management Solutions, Inc. (HDMS). He has more than twenty years of operational, application development, and management leadership experience in the healthcare informatics industry.

Prior to joining HDMS, Mark was a Vice President at Solucient, L.L.C. where he directed the operations and application development activities for the Managed Care division. He has also served as a Principal at William M. Mercer in the National Healthcare Analysis Unit, directing the development of the CHAMP product which was used by both clients and local Mercer offices.

Mark has designed and implemented operational procedures and practices for collecting and processing healthcare data in ways that maximize the value of the information for data analysis. He has also contributed to the development of the first national data warehouse in the Worker’s Compensation market that integrates policy, claims, payment transaction, and medical detail from more than 40 national insurance companies nationwide.

Mark received his BA in Computer Science from North Park University in Chicago, Illinois. He is a Fellow of the Life Management Institute, Life Office Management Association (LOMA).


Keith Wilton

Keith Wilton is the Vice President of Product Management. He has over 15 years’ experience in Product Management with an emphasis on creating and deploying complex software applications. Keith joined HDMS in March 2016 after serving as Vice President of Product Management at Backstop Solutions, a leading player in the Alternative Investment space. Prior to Backstop, Keith ran product management for an arm of Morgan Stanley, and for other organizations. Keith received his Bachelor of Science from the University of Illinois Urbana-Champaign.


Jim Hinkle

Jim Hinkle joined HDMS as Senior Vice President of Client Experience with oversight over Account Management, Client Analytic Deliverables and the Sales Department. Prior to HDMS, he led business development and operations for several healthcare start-up organizations. Jim has also held executive leadership roles in IT, Biotech, Consulting and Analytics with firms such as Abbott, Vizient, HCA and Philips Healthcare.

Jim is a native-born South Carolinian who attended Georgia Military College in Milledgeville, GA and then matriculated to the College of Charleston where he graduated with a BA in Political Science and a Minor in War and Diplomacy.

He later attended Marine Corp OCS and graduated from the Medical University of South Carolina (MUSC) with an MHA in Healthcare Administration. While attending MUSC, Jim simultaneously completed a residency with the Tenet Health System and a Fellowship with the Veterans Administration.


Matt Hoffman

Matt Hoffman is Chief Marketing Officer at HDMS. He has nearly 20 years of experience growing B2B technology companies. As Chief Marketing Officer, Matt is responsible supporting growth, client and member success initiatives through product marketing, demand generation, communications, and branding. Previously, Matt spent five years leading marketing for Evolent Health, a publicly traded health care technology and services organization. Matt earned an MBA from the Darden School of Business at the University of Virginia and a B.S. in computer science from Penn State University..


Rani Aravamudhan

Rani Aravamudhan joined HDMS as a Senior Clinical Consultant. She is a physician (specialty- General Medicine) with extensive experience in the EMR/EHR and population health industries with a focus on clinical transformation, workflow design and development, value-based care, risk management and clinical quality and performance reporting. Her strong background in clinical medicine and experience in the HIT industry make her successful in navigating payer, provider and technology vendor landscapes.

Prior to joining HDMS, Rani worked for Philips Wellcentive as a Services Leader, where she led teams of program managers, clinical specialists and training staff along with heading their Data Governance committee. Before that, Rani was leading EMR/EHR implementations, workflow and process optimization consulting at McKesson Corporation and was their resident subject matter expert for all CMS quality reporting programs.

Rani earned her medical degree at Grant Medical College in Mumbai University, India.


Jason Elliott

Jason Elliott serves as the Vice President, Client Experience, working with employer and government clients and their partners. Jason’s career began in clinical pharmacy, managing injectable drug policy and use management, but quickly shifted focus to employer analytics, helping plan sponsors integrate and expand a data-driven decision-making culture in their organizations, by supporting clients in pairing insightful analytics with real world business and population health problems. In his seven years at HDMS, Jason has helped clients improve clinical and financial outcomes in their populations through the use of advanced methodologies and creative problem-solving, serving his clients by leveraging his training and education at the University of Massachusetts as an epidemiologist.

Before joining HDMS, Jason worked at BlueCross BlueShield of Western New York and BlueShield of Northeastern New York for over a decade, where he led the employer, clinical, and provider reporting teams. Jason’s work in assessing the impact of the Affordable Care Act on preventive care outcomes helped plan sponsors understand and plan for the evolution caused by that historic legislation. Throughout his career, and at HDMS, Jason has worked to expand LBGTQ health analytics and care access, to ensure that the needs of this community are represented and data regarding their unique health concerns are understood.


Marilou Calasanz

Marilou Calasanz serves as the Vice President of Client Experience, working with brokers/consultants and health plans. Marilou has 25 years of health data management experience and has been with HDMS since 2012. Her strategy for delivering customer excellence centers on strategic alignment with our clients’ business objectives and ensuring an innovative, responsive, and seamless end-to-end client experience. She consults with clients to develop strategic plans and holistic solutions to drive mutual growth.

Prior to joining HDMS, Marilou was a Senior Director of Data Security and Governance at Optum where she collaborated with Compliance to define their data use policy framework. Previously, she was a Managing Consultant at Optum in the employer market. She was co-principal investigator on Robert Wood Johnson Foundation five-year research project integrating disability management in the primary care setting and evaluating its impact on health outcomes, socioeconomics, and productivity.
Marilou received her Bachelor of Arts degrees, Economics and Finance, from the University of St. Thomas in St. Paul, MN.