The Executive Team

Our dynamic and engaging executive team drives Practice Fusion. We strive to excel in our respective fields of expertise while pursuing the overall goal of advancing healthcare.

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Executive Team

Our dynamic and engaging executive team drives Practice Fusion. We strive to excel in our respective fields of expertise while pursuing the overall goal of advancing healthcare.

Tom Langan Chief Executive Officer


Tom is Practice Fusion’s CEO and is responsible for attracting new partners and driving new data-driven opportunities for the company. He joins Practice Fusion from Symphony Health Solutions, where he served as the company’s chief commercial officer with management responsibility for monetizing integrated data assets, predictive analytics, cloud-based apps and software solutions for the pharmaceutical industry. Tom also previously served as the chief commercial officer for MediMedia, where he led the pharmaceutical group strategic growth plan, strategic positioning, and new product development. He holds a bachelor’s degree in political science and economics from Fordham University.

Outside the office: Spending time with his wife and rooting for the Fordham Football Team and NY Giants

Passionate about: Leveraging technology and data to improve outcomes and transform healthcare delivery

Matthew Douglass Co-Founder & SVP, Customer Experience



As Practice Fusion’s technology co-founder, Matt created the SaaS technology framework that enables rapid development of the electronic health record’s nationwide platform, now used daily by over 100,000 medical professionals. He has spoken on healthcare technology at SDForum, Health 2.0, MIT, Stanford, and Microsoft events.

Outside the office: Running marathons, playing softball and rooting for the Texas Rangers

Passionate about: Unlocking health data from paper charts in an effort to streamline health communication and give patients direct access to their information

Jonathan Malek Co-Founder & Chief Technical Officer



Jonathan leads Practice Fusion’s technology strategy, ensuring IT architecture remains scalable and reliable while pursuing new directions in areas such as mobile connectivity and API integration. Before joining Practice Fusion, Jonathan oversaw IT architecture as Chief Architect and Director of Research of the Associated Press, which handles billions of transactions monthly, and assisted its move towards a greater digital presence. Jonathan is a graduate of the University of California, Davis.

Outside the office: Spending time with my wife and two daughters, reading, history and travel

Passionate about: Building fast, secure and resilient health technology systems that help doctors save lives every day

Steve Filler Chief Operations Officer



Steve is Practice Fusion’s COO and is responsible for aligning the technology, development, product, and customer facing teams to meet the strategic goals of the company. He joins Practice Fusion from Oliver Wyman, where he served as a Partner in the Health and Life Science and Strategic IT and Ops divisions. As a former medical group and hospital administrator, and during his tenure in consulting, he has worked with 1,000’s of providers and dozens of health systems to improve their quality of care. Steve holds a Master’s of Healthcare Administration and Master’s of Public Health both from the University of Minnesota and a B.A. from Lawrence University.

Outside the office: Enjoys golf, swimming, rooting on the Chicago Bears and Gophers and playing a variety of sports with his kids

Passionate about: Transforming healthcare across the country to enable a far higher quality of care for all

Robert Park Chief Financial Officer



Robert leads the finance, accounting, human resources and facilities teams at Practice Fusion. Robert has over 20 years of experience, with the last 15 years in finance executive positions. Prior to joining Practice Fusion, he was the vice president of finance at Chegg, Inc., the leading student-first connected learning platform. Before that, Robert was the vice president of finance for PayPal, where he led the finance and accounting teams through a period of high growth and international expansion. He also spent seven years in finance executive positions at McKesson, both in the healthcare information technology division and at corporate headquarters. Robert started his career at Ernst & Young in San Jose, California. Robert holds a B.S. in Business Administration from California Polytechnic State University, San Luis Obispo, and is a certified public accountant (inactive).

Outside the office: Cycling up and down the peninsula, golf, alpine skiing, and spending time with his wife and three young boys

Passionate about: Enabling the Practice Fusion mission…connecting doctors, patients and data to drive better health and save lives

Matt Ackley Chief Marketing Officer



Matt Ackley leads the product planning and marketing functions at Practice Fusion. Prior to Practice Fusion, Matt was CMO of Marin Software – digital marketing platform company. At Marin, Ackley was responsible for overseeing global marketing, corporate development, partnerships and product management. Previously, Ackley was managing director of media and platforms market development at Google, where he was responsible for all product and industry marketing activities for the Google Display Network, DoubleClick platform offerings, YouTube, Google TV Ads, and Google Analytics. Prior to Google, Ackley worked for eight years at eBay, where he was most recently vice president of advertising and internet marketing. In this role, Ackley was responsible for all online marketing, as well as strategic partnerships with Google, Yahoo! and Microsoft. Ackley oversaw the growth of eBay’s global marketplace ad revenue. He also designed and built eBay’s commerce-based ad network platform and its SEM, Affiliate, and RTB Display platforms. Prior to eBay, Ackley was vice president of product management and corporate development at FairMarket, a B2B online auction company that went public in 2000 and was later sold to eBay. He holds an MBA from Harvard Business School and a BA from Duke University.

Outside the office: Playing golf and watching my 3 girls play sports (soccer and hoops)

Passionate about: Finally using his Biomedical Engineering degree

Richard Loomis, MD VP, Chief Medical Officer



Dr. Loomis is head of health informatics and medical affairs at Practice Fusion. In this role, he works closely with the commercial and technology teams providing clinical guidance throughout the product lifecycle. He oversees research and analytics, including real world evidence and health outcomes studies. Richard is actively involved as a thought leader in the healthcare IT community and currently serves on the HIMSS EHR Association Executive Committee. Prior to joining Practice Fusion, he led informatics at Kaiser Permanente in Southern California. There, his team’s initiatives focused on analytics, natural language processing (NLP), clinical decision support (CDS), and HCC/RAF and E/M coding. Dr. Loomis completed a fellowship in biomedical informatics at Harvard Medical School and trained in anesthesiology at Beth Israel Deaconess Hospital. He received his medical degree from the University of Michigan and Bachelor of Science from Cornell University.

Outside the office: Traveling with his wife, collecting wine, and making maple syrup

Passionate about: Building technology solutions that improve patient outcomes, reduce costs, and increase value in healthcare delivery

Dorothy Gemmell SVP, Life Science Practice & Strategic Partnerships



Dorothy Gemmell is the SVP of Life Science Practice and Strategic Partnerships. She joins Practice Fusion after previously serving as the president of Havas Life New York, a full-service advertising agency focused on serving health and wellness clients. She also served as senior vice president, for sales and operations for WebMD, where she spent thirteen years building that company’s revenue generating teams. Prior to WebMD, Gemmell spent ten years in sales, sales leadership, and marketing roles at Pharmacia (now Pfizer). She is a graduate of McGill University in Montreal, Canada and holds a B.Sc. in Biochemistry.

Outside the office: Yoga, traveling, time with my kids and watching them experience new things, mentoring young leaders

Passionate about: Technology enabling healthcare data to finally measure the impact of various interventions ( clinical, educational, promotional) on patient outcomes

Dave Caldwell SVP, Enterprise Solutions



Dave Caldwell is the SVP of Enterprise Solutions at cloud-based EHR provider Practice Fusion. He hails from Transcend Insights, a wholly owned subsidiary of Humana, where he served as that company’s vice president of sales and marketing. During his career, Caldwell has led highly successful sales, marketing, and client service organizations for three Fortune 500 companies, as well as established and grown the commercial operations for two emerging healthcare technology firms. He has held executive roles with Thermo Fisher Scientific, Quest Diagnostics, Baxter Healthcare, and Focus Diagnostics. Caldwell earned his Bachelor’s degree from St. Olaf College and an M.B.A. from the Kellogg Graduate School of Management at Northwestern University.

Outside the office: Non-profits and spending time with family

Passionate about: Interoperability and utilizing technology to bridge gaps in care

Jim Chou Vice President, Engineering


Jim leads the Engineering organization at Practice Fusion, enabling world-class engineers to build life-saving products for providers, patients, and partners. He is also responsible for recruiting top-notch talent to extend Practice Fusion’s iterative, continuous improvement culture into end-to-end software delivery. Jim previously led engineering teams at Tellme, a Microsoft speech recognition subsidiary, architecting service solutions for Fortune 100 clients and internal Microsoft partners alike. Jim holds a B.S. in Computer Science from Stanford University.

Outside the office: Classical violinist, baseball fan (26 of 30 parks checked off the list), and new puppy parent of 1-year old James (name origin unrelated)

Passionate about: Leading engineering teams to build products that positively affect the lives of millions of people every day

John Hluboky Senior Vice President, Technical Operations



John is responsible for Practice Fusion’s Technical Operations team, including datacenter and infrastructure support of Practice Fusion’s EHR and corporate IT functions. John draws on over fourteen years in technology and leadership experience, most recently from the Consumer division of security company McAfee, where his team supported a billion dollar ecommerce engine servicing 40 million customers. He holds an MBA with focus on strategic leadership from Norwich University.

Outside the office: Triathlons with Team in Training, supporting the Leukemia and Lymphoma Society

Passionate about: Providing a secure technology platform enabling the availability of patient information anytime, anywhere

Tim Rauschenbach Vice President, Customer Service & Support



Tim Rauschenbach is the VP of Customer Service and Support. He joins Practice Fusion from United Health Group, a national and worldwide leader in health care coverage, where he served as its director of customer service. Prior to that, Rauschenbach served as the global vice president for customer service at Amazon. With a broad spectrum of experience, Rauschenbach brings a deep expertise focused on maximizing customer experience and loyalty. Rauschenbach holds a Bachelor’s degree in Business Administration from Indiana State University.

Outside the office: Time with my family, fitness nut, board member and volunteer for charity organizations

Passionate about: Exploring and growth; Helping those in my life achieve their goals

Riyad Omar General Counsel


Riyad oversees legal operations at Practice Fusion. Riyad has over a decade’s experience managing legal affairs and advising senior executives on strategic and operational objectives. Prior to Practice Fusion, Riyad was VP/Principal Legal Officer for NewsRight, where he oversaw legal operations, and Associate General Counsel of Business Governance for the Associated Press, where he counseled on sales, technology, corporate, privacy, IP, strategic transactions and product matters, including the launch and maintenance of large-scale web platforms. Riyad holds a JD from Stanford Law School and a BA from the University of Southern California.

Outside the office: Spending time with his wife and daughter, great food, travel and high-octane college football

Passionate about: Putting sophisticated and secure health information tools in the hands of practitioners, patients and researchers

Octavia Petrovici SVP, Product Management


Octavia oversees Program Management at Practice Fusion, organizing and leading the technology teams that develop the features of the core EHR and the products that make up the Practice Fusion, Patient Fusion and Data platforms. Hailing previously from Microsoft, where she led the teams that developed Microsoft’s speech and natural language solutions for Cortana, she brings extensive experience in guiding complex development cycles to completion. Octavia graduated from Smith College with bachelor’s degrees in Computer Science and Mathematics.

Outside the office: Sailing around the world, riding her Ducati, good coffee and fashion.

Passionate about: Using the power of technology and innovation to help people live fuller and longer lives.

Joe Priest Vice President, Pharmaceutical Partnerships


Joe Priest is Vice President of Pharmaceutical Partnerships at Practice Fusion. Priest joined Practice Fusion from SDI Health, where he served as its vice president and general manager of hospital analytics and healthcare profiles. Prior to SDI, Priest occupied executive roles at Solucient, LLC and NDC Health. Joe reports to Tom Langan, Chief Commercial Officer, and works with Practice Fusion’s executive team to develop strategic partnerships and new solutions with pharmaceutical manufacturers to engage with the company’s suite of data and analytics solutions, including the recently launched Insight platform. Joe holds a bachelor’s degree with concentrations in economics and marketing from Boston College.

Outside the office: Spending time with his wife and their three sons, biking, hiking, traveling and reading

Passionate about: Leveraging Big Data solutions with an integrated healthcare platform to help drive better physician care and patient outcomes