We Innovate Science-Driven Solutions to Advance Health and Wellness

Science-Based Behavior Change. dfusion builds upon science-based behavior change models and learning theories to facilitate behavior change for health, prevention, and adherence. Current scientific research on effectiveness guides our development and adaptation of interventions for heightened relevance and impact.

Technology and Innovation. Our passion for innovation drives our unique applications of cutting edge and classic technologies to health and prevention. We deliver smartphone, tablet, and web apps designed to improve health outcomes and we are building on our knowledge of behavior, so you can be assured of the best user experience.


Behavior Change



We are dfusion

Staff & Board

We are a team of scientists and innovators that question the status quo. We are committed to making a difference in the health and well being of people across the lifespan. We solve problems others ignore. The results are products that people love to use.

Regina Firpo-Triplett

Regina Firpo-Triplett, MPH


Regina Firpo-Triplett, MPH, MCHES is an experienced health educator and behavioral scientist, specializing in youth, sexual and reproductive health, and evidence-based programming. She was the primary founder of dfusion. She has developed, trained to and evaluated science-based programs for youth and providers from a variety of settings including school, juvenile justice, community-based organizations, clinics, and homeless shelters throughout the United States. Regina has served as the Principal Investigator for six NIH funded studies focused on providing effective skills-based online/mobile training to prepare educators to lead evidence-based interventions – four of which were randomized controlled trials. She was instrumental in developing the Resource Center for Adolescent Pregnancy Prevention (ReCAPP) and an online BDI Logic Model course, which have been used by hundreds of thousands of educators and program planners in the U.S. and abroad. Regina directed Adaptation Guidance Projects for CDC and the Office of Adolescent Health and has shared her expertise in dozens of presentations and trainings/TA sessions. She earned her Masters of Public Health in School and Community Health Education at California State University, Northridge and her Bachelors of Science in Biology from Loyola Marymount University.

Tamara Kuhn

Tamara Kuhn, MA

Research Scientist & Vice President

Tamara Kuhn, MA is an experienced social scientist, programmer, and web developer who specializes in the design and programming of health and behavioral science-related technology. She has spent more than 15 years conceptualizing health related product development, and has been responsible for directing or programming technology-related projects for small businesses focused on delivering technological innovation in health and prevention. She has been instrumental in developing mobile apps (mhealth), responsive web sites, online education and training, clinical databases, large scale datasets, and data management systems. Tamara has served as the Principal Investigator or Co-Principal Investigator for more than 15 NIH funded studies focused on using technology to improve health outcomes through translational research. Additionally she has directed the technology development for more than 35 federally funded projects. She earned her Masters degree from Stanford University in Sociology.

Dr. Diana Dull Akers

Diana Dull Akers, PhD

Research Associate

Diana Dull Akers, PhD earned her doctorate in Sociology from the University of California, Santa Cruz. At UCSC and Sonoma State University, she taught courses in health and medicine, qualitative research, gender, aging and family. She was a Senior Research Associate at Sociometrics, a social and behavioral science firm, where she served as Principal Investigator for a number of federal SBIR projects in the areas of behavioral health and prevention. Dr. Dull Akers has since done writing and research projects for a hospital wellness program, as well as feature articles and blogs for start-up firms and publications focused on parenting and children’s literacy issues.

larry hardison

Larry Hardison

Front End Developer

Larry has been a front end developer for more than a decade. He has done front end development for Infoblox, Family Resource and Refferal Center San Joaquin County, Wired Moon and ETR. He is skilled with Drupal and Moodle development. Larry has a BA in psychology from UC Santa Cruz.

Brittany Lucas

Brittany Lucas, MPH

Project Coordinator

Brittany Lucas, MPH is a health educator who works primarily on projects focused on sexual health and alcohol, tobacco and other drugs. Brittany brings an incredible understanding of these topics and has applied this knowledge on projects designed for various special populations including Latino youth and parents, cognitive impaired youth, and care providers. Brittany holds a Masters in Public Health from San Jose State University.

Erica Marsh

Erica Marsh

Program & Operations Manager

Erica attends to all of the details that make dfusion run smoothly, from coordinating proposals and projects to performing management activities related to marketing, sales, production, personnel, contracts, and administrative and temporary staff. Erica holds a Bachelor of Arts degree in psychology from San Francisco State University, and has completed graduate work in library and information science at San Jose State University.

lizanne reynolds

Lizanne Reynolds, JD

Research Assistance

After more than 20 years practicing law, Lizanne joined dfusion to pursue her interests in public health. She has a B.S. in Management from Purdue, and a J.D. from U.C. Hastings. She held various positions in finance and accounting at Procter & Gamble before attending law school, and has practiced law for over 20 years. At dfusion, she puts the research, writing, and analytical skills that she honed in her previous experience to use on a wide variety of projects.

bob smolenski

Bob Smolenski

Mobile and AR/VR App Developer

Bob is a creative developer who has worked for decades developing web sites and mobile apps. He has created several mobile apps for education and health organizations. Bob is on the board of the PTTC Japanese Bilingual Bicultural Program and holds a Bachelor’s degree from Southern Illinois University. Fun facts, he is the creator of one of the best selling sports game iphone app in Japan and he developed the FingerFencer game app - The only POV fencing game app!

chris wilson

Chris Wilson

Project Director

Chris Wilson has spent more than 10 years working in public health. In addition to his role at dfusion, where he directs the 3T project working to create a mobile app to reduce HIV risk is adolescent Black men, he serves as an HIV/Sexual Health Trainer. Chris also worked as the Prevention and Care Program Manager at the Black AIDS Institute. Over the last 12 years, he has worked at the Gay-Straight Alliance Network, University of California, Los Angeles, and Los Angeles LGBT Center. He spent several of those years at Children's Hospital Los Angeles, where he served as a health educator and psycho-social case manager to HIV-positive youth. Chris earned a Bachelor's degree in biology and sociology from Wiley College of Marshall, Texas. He is planning to pursue his MPH.

dfusion staff

dfusion Staff

The people that help
make dfusion a success

dfusion has extraordinary staff and partners, including: Pamela Anderson, PhD, Senior Research Associate; Tamara Neff, Instructional Designer; Cori Kocher, Web Developer; Greg Thrush, Programmer; Becca Gold Rubin, Graphic Designer; Seow Ling Ong, Research Associate; Gina Lepore, Research Associate; Heather Franks, Research Associate

The dfusion Board

Dr. Robert B. Keet, MD, FACP

Dr. Robert B. Keet, MD, FACP

Dignity Medical Group, Dominican Hospital

Dr. Robert B. Keet, MD, FACP, serves as the President of Western Medical Associates, Inc. Dr. Keet has been Chief Medical Officer of Axolotl Corporation since 1998. He served as a Medical Director of Axolotl Corp. since November 1998. He served as medical director of the Haight Ashbury Free Medical Clinic. In 1985, he was instrumental in forming Physicians Medical Group Inc., an IPA of 160 physicians and served as its Medical Director from 1987 to 1997. In 1993, Dr. Keet helped form and served as Medical Director of Physician Services, Inc., an MSO that provides administrative services to the Santa Cruz community. In association with Kaneco Inc., Dr. Keet developed and implemented a corporate health education training program. He was voted one of twenty of the most influential people in healthcare and is an industry advisor for publications and conferences. In 1989, he published The Medical Marketplace, A Consumer's Guide to Health Care. Dr. Keet spent a year in a Bio-Medical Engineering Masters Program at the University of Vermont. Dr. Keet has practiced Internal Medicine and Geriatrics in California for more then 30 years, and he continues to do so.

Mike Cornelison

Mike Cornelison

CEO, ConsentiaHealth

Mike Cornelison is an experienced health care executive, consultant and entrepreneur. He has held several senior management positions at Fortune 100 companies including UnitedHealth Group and ING.

Since 2001, Mr. Cornelison has led ConsentiaHealth, a national consulting organization providing guidance and support to a wide array of clients including health plans, hospitals, large clinic organizations, health start up organizations, employer groups, aging services providers and nonprofit health organizations.

In 2008, Mr. Cornelison founded IHL Generations, an aging services company dedicated to empowering caregivers, seniors and adult disabled populations to more effectively meet independence goals.

Vignetta Charles

Vignetta Charles, PhD


Mthe intersection of HIV/AIDS, sexual health and mental health. She comes to ETR from AIDS United, where she served as Senior Vice President, guiding strategic programming for the organization. Prior to her work at AIDS United, Dr. Charles developed and rigorously evaluated innovative, theory- and evidence-based sexual and reproductive health and HIV prevention programs.

Dr. Charles served on the Presidential Advisory Council for HIV/AIDS; and is on the Board of Directors for the Center for Health and Gender Equity (CHANGE) and the Sexuality Information and Education Council of the United States (SIECUS).

Vincent LaFfronza

Vincent Lafronza, MS, EdD

President and CEO, National Network of Public Health Institutes

Vincent Lafronza, EdD, and Chief Executive Officer of the National Network of Public Health Institutes (NNPHI), provides leadership and direction on all NNPHI initiatives, and develops collaborative efforts with NNPHI’s numerous public health institutes and partners throughout the nation. Beginning his career in health and human services in 1985, Dr. Lafronza has held health policy and programming positions in government, nonprofit, and university sectors to advance population health at multiple levels of intervention, including community, state, federal, national, and tribal spheres of influence. Prior to his current NNPHI appointment, Dr. Lafronza convened a winning team of colleagues to establish two nonprofit organizations, CommonHealth ACTION and the Institute for Public Health Innovation (IPHi), a public health institute serving the Washington, DC, Maryland, and Virginia region. Previous appointments included a ten-year appointment with the National Association of County and City Health Officials (NACCHO) where he served as the program director for the Turning Point National Program Office and senior advisor to NACCHO programs, executing program portfolios in excess of $14 million. Before joining NACCHO, Dr. Lafronza held an appointment with the Centers for Disease Control and Prevention and Agency for Toxic Substances and Disease Registry in Atlanta, Georgia that involved providing technical assistance to U.S. communities affected by hazardous waste.


randomized controlled trials staff have implemented


National Institutes of Health PI-ships awarded to employees


number of funders who have provided research and development dollars


% of dfusion employees who love their job

Our Work

We Create Science-Driven Products

Take a look at a sample of the National Institutes of Health and NSF funded resources developed by dfusion scientists or view our newest product, the ConDEMO

Strategic Partners

Below are just a few of our partners

News & Events

There is a lot going on at dfusion...

Making Proud Choices Avatar-Based Virtual Training Funded!

dfusion and the RAND Corporation are partnering on a new project to develop and test an Avatar-Based Virtual Training prototype

Phase II Funding Awarded for 3T

dfusion has been awarded NIH funding to complete development of a mobile app delivered HIV prevention program for young black men who have sex with men

Play Ball!
Phase II just submitted

Play ball! dfusion's Extra Innings app to teach kids about science and math using baseball is being tested at the MLB Youth Academy.

dfusion is busy sharing their research
Spring and Fall 2018

dfusion will be presenting research at FYSBE and APHA.

Contact Us

Get in Touch with Us

Don't be shy, we would love to hear from you!