Our Team

Kelin BuckleyKelin Buckley | Chief Operations Officer
Kelin grew up in Northern California, and obtained her BA in political science from UC Riverside. She recently received a certificate in Accounting from UC San Diego Extension. She has worked in technology her entire career, having spent more than 6 years working in various operational roles in healthcare technology. She has overseen the operational aspects of WaterOnScene since its inception, and continues to oversee multiple aspects of day-to-day operations, including finance and client account management.

Ernesto EsliterErnesto Esliter | Senior Programmer / Analyst
Ernesto graduated from the Autonomous University of Baja California (Mexico), with a bachelor’s degree in computer science. He has become a key player in WaterOnScene’s development team, adding Web and Windows Applications Development to his set of skills. Recently, he earned a MCITP Certification as a Database Developer for SQL Server 2008 and is currently working on the MCSA for SQL Server 2019.


Neil PenaNeil Pena | Network Engineer
Neil attained a Bachelor of Science in Computer Science from SDSU. He now works as the Network Engineer at WaterOnScene, managing the installation, troubleshooting, and maintenance of technologies provided to WaterOnScene’s customers as well as maintaining the company’s internal network infrastructure. Always thinking about “the future”, Neil is always excited to find ways to make the latest and greatest technology work for WaterOnSceneand recently accelerated the company’s transition to Windows Server 2019 and SQL 2019.

John PringleJohn Pringle | Chief Executive Officer
John started his EMS career as an EMT in 1986 and has served as a Fire Fighter/Paramedic with San Diego Fire-Rescue Department since 1997. Eleven years of his SDFD career were spent as their Electronic Documentation Coordinator, responsible for overseeing ePCR programming for a system with upwards of 100,000 calls annually. John’s focus has always been on simplifying technology used in the field, and he is excited to continue to make technologies that help our users take better care of patients.

AndreaAndrea Spindler | Project Manager
Andrea was born and raised in California, and ended up in San Diego where she attained her degree in communication at UCSD. As Project Manager, her role includes planning and monitoring the successful development and deployment of the company’s technologies. She also oversees the organization's adherance to HIPAA standards. She is proud to be a part of the WaterOnScene team where she puts her expertise and work ethic to use helping to bring powerful solutions to the EMS community.

James StewartJames Stewart | Head Development Engineer
James grew up in the San Diego area, and obtained his degree in computer science from the University of California, San Diego. He is WaterOnScene’s most senior programmer and developer, with over 15 years of experience working in healthcare technology. He is the guiding force behind our continued product development, and manages the integration of our various products into one cohesive package.

Winston YuWinston Yu | Chief Financial Officer
Winston graduated from UCSD, with a Bachelor of Science in Computer Engineering. Soon after, he founded Infotech Systems Management, which became a successful computer consulting company in San Diego, California. With the help of his team, he designed and developed the first data warehousing decision support system optimized for healthcare organizations. Serving on the board of Medtech Solutions, Inc. and Ascender Software, LLC, he brings over 35 years of experience in the field of healthcare technology to WaterOnScene.