8th Annual Innovation Conference & Showcase - Speaker Bios

Prentice Tom, MD, is the Chief Innovation Officer at Vituity, where he oversees the development and implementation of healthcare service solutions and the development and adoption of new health and medical technologies.  Prior to this role, he served as Vituity’s Chief Medical Officer, developing highly regarded programs on medical quality, CMS, risk, patient experience and clinician education and medical leadership.  Dr. Tom pioneered two nationally recognized breakthrough initiatives, Rapid Medical Evaluation® (RME) and Vituity’s Emergency Psychiatry Program. 

Before joining Vituity in 1993, he was a faculty member at Stanford Medical School.  Dr. Tom has volunteered with the International Medical Corps (Bosnia), Emergency International (where he served as long-term project coordinator for the China Project), and the Menlo Park FEMA Urban Search and Rescue Team. 

He holds a degree in biophysics: medical physics from the University of California Berkeley, an MD from Harvard Medical School, and completed his residency in emergency medicine at Johns Hopkins Hospital.  He was previously a Kaiser Fellow in Health Policy and Management at Massachusetts Institute of Technology.Prentice Tom, MD, is Chief Innovation Officer and Executive Vice President of Medical Affairs at Vituity. In these roles, he oversees the development and implementation of healthcare service solutions.

Prior to being appointed CIO, Dr. Tom served as Chief Medical Officer, launching patient satisfaction initiatives and developing risk management and CMS programs. He also led two of Vituity’s breakthrough initiatives, including Rapid Medical Evaluation® (RME) and emergency psychiatry. Additionally, he oversaw the development of Vituity’s palliative care program, provided executive oversight for Vituity’s administrative fellowship, and created the practice’s Clinical Education Department and CME programs.

Dr. Tom joined Vituity in 1993. He currently works as a staff physician in the emergency department at Good Samaritan Hospital in San Jose, Calif. Before joining Vituity, he was a faculty member at Stanford University's Department of Emergency Medicine.

Dr. Tom has participated in numerous medical organizations, including the International Medical Corps (Bosnia) and Emergency International, where he served as long-term project coordinator for the China Project.

He holds a bachelor's degree in medical physics from the University of California, Berkeley, and a medical degree from Harvard Medical School, where he cofounded the Asian Health Organization. Dr. Tom completed his residency in emergency medicine at Johns Hopkins Hospital in Baltimore and was a Kaiser Fellow in health policy and management at the Massachusetts Institute of Technology.

Prentice Tom, MD, is Chief Innovation Officer and Executive Vice President of Medical Affairs at Vituity. In these roles, he oversees the development and implementation of healthcare service solutions.

Prior to being appointed CIO, Dr. Tom served as Chief Medical Officer, launching patient satisfaction initiatives and developing risk management and CMS programs. He also led two of Vituity’s breakthrough initiatives, including Rapid Medical Evaluation® (RME) and emergency psychiatry. Additionally, he oversaw the development of Vituity’s palliative care program, provided executive oversight for Vituity’s administrative fellowship, and created the practice’s Clinical Education Department and CME programs.

Dr. Tom joined Vituity in 1993. He currently works as a staff physician in the emergency department at Good Samaritan Hospital in San Jose, Calif. Before joining Vituity, he was a faculty member at Stanford University's Department of Emergency Medicine.

Dr. Tom has participated in numerous medical organizations, including the International Medical Corps (Bosnia) and Emergency International, where he served as long-term project coordinator for the China Project.

He holds a bachelor's degree in medical physics from the University of California, Berkeley, and a medical degree from Harvard Medical School, where he cofounded the Asian Health Organization. Dr. Tom completed his residency in emergency medicine at Johns Hopkins Hospital in Baltimore and was a Kaiser Fellow in health policy and management at the Massachusetts Institute of Technology.

In his spare time, Dr. Tom is an avid recreational cyclist, skier, and Krav Maga practitioner. 


Michael Aratow, MD is Chief Medical Information Officer at San Mateo Medical Center where he has implemented 3 different electronic medical record systems and led innovation in new technologies, including bringing virtual reality to the Emergency Department, the Pain Management Clinic and the Integrated Behavioral Health Clinic there. He is also Co-Founder and Chief Medical Officer of Ellipsis Health, a digital technology startup creating a behavioral health vital sign by utilizing machine learning to analyze speech. He still practices as an Emergency Physician and is an angel investor in digital health.


Dan Riskin, MD, is Founder and Chief Executive Officer of Verantos and previously held positions as Founder and CEO of Health Fidelity and Special Projects Consultant at Apple. He is Adjunct Professor of Surgery and Adjunct Professor of Biomedical Informatics Research at Stanford University.

Dr. Riskin is an expert in healthcare artificial intelligence and successful serial entrepreneur. Products he has developed and commercialized influence the care of millions of patients annually. His contributions in data-driven healthcare have been featured in Forbes, The Wall Street Journal, and other leading media. He served on the Obama Healthcare Policy Committee for the 2008 Presidential Campaign and testified before Congress on the 21st Century Cures Initiative.

Dr. Riskin is board-certified in four specialties, including surgery, critical care, palliative care, and clinical informatics. He holds degrees and fellowships from University of California, Stanford, and MIT.


Lara Druyan is a Managing Director with Silicon Valley Data Capital, a seed and early-stage venture capital fund focused on how data are remaking the enterprise. Previously, she worked for RBC where she was the Head of Innovation on the West Coast, responsible for the Bank’s digital transformation. She led the development of innovation strategy and execution as well as the identification and evaluation of start-ups, partnerships and venture capital investments that drove the Bank’s technology, analytics, payments and infrastructure roadmaps. Her team drove 14 new products into production. She and her team initiated, developed KPIs and managed over 20 proofs of concept across the Bank. Lara also designed partnership strategies to build out the Bank’s ecosystem with high growth companies. 

Previously, she was the Founding Partner of G&B Partners, an investment and advisory firm focused on technology companies. She also served as a Venture Partner for Almaz Capital, an Adviser to Pilot Growth Equity and as a Venture Adviser to SRI International where she helped them conceive of, launch and incubate new ventures. Lara served as Vice Chair of the Board of Trustees and Chair of the Investment Committee for the City of San Jose’s Federated Employee Retirement System (a $2B pension plan) for six years. Previously, she was an Investor in Residence at US Venture Partners and a General Partner for over a decade with an early-stage venture capital firm. Lara also worked at Silicon Graphics as a product manager in its heyday and released a dozen software products while at SGI. Lara has led many investments and served on numerous boards of directors and advisory boards. Some of the companies in which she has invested or served as an adviser include: Xactly (XTLY), Powerset (MSFT), Skout (MEET), Xlink, RevGenomics and Deduce. In 2016, she was named as one of the “Silicon Valley Investors You Need to Know” by Inc. In 2017, she was named to the “200 Thought Leaders in Crypto and Blockchain” by Medium.  In 2018, she was named as one of the “Innovators to Watch: 44 Executives Shaping the Future of Banking” by Bank Innovation and to Constellation’s “Business Transformation 150”. Lara serves on the Global Alumni Boards of the Harvard Business School and of the University of Chicago.

Lara holds an AB in Economics with Honors from the University of Chicago and a Master of Business Administration from the Harvard Business School.


Victor Wang is CEO of care.coach. Victor got started tinkering with tech at age six, programming role-playing games for MS-DOS. He worked in telemarketing, environmental research, aerospace manufacturing, particle physics, oil sands, medical robotics, and the military, graduating as Wesbrook Scholar from UBC. In completing his Master's degree at MIT, he worked on NASA-sponsored human-machine interaction research and a clinical study at Brigham & Women's Hospital. His aging grandmother inspired him to start care.coach, a company that supports patients and care teams to improve healthcare outcomes through a unique fusion of human & software intelligence. Victor has since been awarded as PI on multiple federal grants from Congress, National Institute of Nursing Research, National Institute on Aging, and National Cancer Institute, and frequently speaks at national conferences related to healthcare, aging, and innovation.


Sherri Douville is CEO and board member for Medigram. Medigram’s mission is to eradicate the leading cause of preventable death, which is a delay in information, while at the same time improving health care systems’ finances through workflow re-engineering and improved communications between health care providers. In her role as CEO and Board Member, Sherri's focus has been on leading and inspiring a world-class team and ecosystem to execute on this mission, including technology, legal, healthcare administration, physician, and business executives. Sherri has been published and quoted 15 times in the last two years in healthcare industry and IT media such as CIO.com, Becker’s Hospital Review, and HITInfrastructure.com. She has contributed to a book about managing data breaches and is currently working on a number of chapters and books, one as editor, on the subjects of mobile computing in medicine, mobile security in healthcare, security in IoT, privacy law in medicine, and principles for ethics and trust for the application of IoT and data in medicine. Sherri is passionate about coaching and developing leaders at Medigram. She has 15 years of experience in executive management, product development, sales and marketing including with Johnson & Johnson, and as a product development and business consultant in the medical market. She has a Biophysics degree and has completed three certificates in electrical engineering, analytics, ML, and computer science through MIT. Sherri is also a member of the MIT Technology Review Global Panel and has served on the board of the NorCal HIMSS. Sherri is also thrilled to be part of the working group for the IEEE P2733 Standard for Clinical Internet of Things (IoT) Data and Device Interoperability with TIPPSS (Trust, Identity, Privacy, Protection, Safety, Security) principles.

Sherri advises Health IT, Medical Informatics, and genetics startup companies. Sherri and her husband, Dr. Art Douville volunteer together with a variety of non-profits including the Board of Fellows for Santa Clara University.


Howard Landa, MD trained in urology at UCSD and Pediatric Urology at Texas Children’s.

In 1990 he joined the Loma Linda University to practice and developed his interest in medical informatics, becoming Director, Medical Informatics in 1996. He joined the Kaiser in Hawaii in 2001 and became CMIO in 2005. He led the implementation of their EHR attaining HIMSS level 6 then 7. In 2009 he became the CMIO of the Alameda Health System and in 2017 Joined Sutter Health as VP of Clinical Informatics. He has been the Program Director and of the Association of Medical Directors of Information Systems (AMDIS) since 1997 and its chairperson since 2017; as well as the Chair of the HIMSS/ AMDIS Physician Community 2011-2013


Tashfeen Ekram, MD, is the co-founder and chief medical officer of Luma Health. He is also a practicing radiologist at AVR Radiology. Specializing in chest imaging, Dr. Ekram successfully built and currently oversees two patient programs for valve replacement and lung screening.

In his role as chief medical officer, Dr. Ekram serves as a strategic customer contact to ensure the company’s patient relationship management system delivers optimal clinical workflows and meets the goals of Luma Health’s customers. Dr. Ekram also drives medically-focused product innovation and identifies and leads partnership efforts to further extend product application areas that help orchestrate the entire patient journey. As a self taught coder, Dr. Ekram has previous experience in developing web-based patient solutions, including predictive models that help forecast patient cancellations.

He completed his fellowship at Stanford Hospital and is a graduate of the University of Michigan Medical School. A Fulbright Scholar, Dr. Ekram spent one year in Jordan researching the effects of population displacement due to war, with a special focus on the impact on children.


B. Lee Jones has held executive information technology positions at the California Science and Technology University, Silicon Valley Innovation School, County of San Mateo CA, Clean Technology Trade Alliance, Globe Edge Media Corporation, Actelis Networks, SunPower Corporation, Stratex Networks, Tandem Computers, Sierra Semiconductor Corp., United Technologies Microelectronics Center and Inmos Corporation. 

Lee was a recipient of the prestigious CIO 100 Award as one of the top Chief Information Officers in the world for his work in Enterprise Application Integration at Stratex Networks.  He is a widely published and quoted authority on enterprise application architecture/integration, computer and network security, international IT management, ISO, CoBit ITIL, HIPAA and Sarbanes-Oxley compliance as well as wireless telecommunication technology, cloud computing, blockchain technology, machine learning and quantum computing.

Lee has established a long and proven history of accomplishment in the design, construction and providing on-going technical support for innovative, on-time and on/under budget international networks, data centers and call centers with very heterogeneous environments.   Lee is multi-lingual and multi-cultural conscious. Operational computer centers that he has built ‘from scratch’ or enhanced are located on every continent on Earth…with the exception of Antarctica!

Lee has played key IT leadership and vision roles in companies ranging from early-stage startups to the Fortune 100. His accomplishments include the complete design and implementation of large data centers, call centers, LANs and international WANs with SAN, VPN, EDI, on premise, Cloud and Hybrid capabilities for leading high technology, manufacturing, and financial companies. Lee has provided vision, technical and managerial leadership to companies supporting blockchain technology, financial and manufacturing enterprise resource planning systems (ERP), customer resource management (CRM), sales force automation (SFA), computer-aided design (CAD), computer-aided engineering (CAE), computer-aided manufacturing (CAM) systems, computer-aided software engineering (CASE), production document management systems (PDM) and call center applications utilizing computer telephony integration (CTI).

Lee has been a GLG Scholar-Technology, Media and Telecom Councils and Expert Witness at Gerson Lehrman Group and serves as an advisor and contributor to Information Week, CIO Magazine, CIO Insight and several other leading industry publications. Lee and his COB/CEO were featured in State of the CIO 2004. Lee has been a featured speaker at the Stanford GSB High Technology Conference, a featured speaker at the UCLA Anderson School of Management BIT Conference, a featured speaker on CIO Talk Radio and KSCO Radio AM. Lee was a featured panelist at CIO events for NGDC and CDM Media and has been a keynote speaker at conferences including the IT Management Conference, the Information Week Leadership Summit at Interop and the Blockchain Expo 2019.


Purnima Sreenivasan started her journey in medicine and healthcare in 1989. She completed an MBBS, a MD in Family medicine, a Fellowship MD in Geriatric medicine, a Master of Public Health in Health education, and a certificate in Aging Life Care. She founded her first company Health Aim Inc in 2004, serving the Bay Area community, her latest aging tech startup mihygge, is launching shortly. She has been a keynote speaker in local events and international geriatric conferences, has written on aging and geriatrics in Bay Area newspapers and has loved being part of and using tech in healthcare since she first adopted the EHR in 2009. She is available for Board Advisory positions to Healthtech startups and recently was invited to hear and give feedback to high school student entrepreneur pitches. Her other interests include poetry and short story writing,  cottage organic gardening, solo backpacking globally. She lives in the Bay Area with her husband, two daughters and myriad pets.


Aashay (Ash) Tutika is a Silicon Valley native who's passionate about harnessing exponential technology and orthogonal innovation to improve the human experience. Ash worked at two of the fastest growing Database startups, Couchbase and MapR, and then founded BioVirtua. A graduate of NASA iTech, StartupBootcamp and Nex3 AI accelerators which deployed with 3000 patients at Duke and Mount Sinai, Ash currently works in Corporate Partnerships at Plug and Play, the world's most active Venture Capital investor and innovation platform. Ash mentors with leading startup accelerators including Alchemist Accelerator, GrowthX and MIT Hacking Health, and is a Venture Fellow at FundRX, investors in Wellth and Buoy Health.