We build data-driven, human-focused software for the healthcare industry.

Andrew Kobylinski is passionate about bringing consumer-friendly solutions to a complex health care system. This core principle led him to create a simpler, low-barrier, more accessible way to run public health initiatives including COVID-19 testing and vaccination.


In March of 2020, Andrew co-founded Primary.Health, a software platform that helps government agencies, community-based organizations, school districts, and health systems organize, streamline, and automate their testing and vaccine programs. In less than a year, Primary’s team has grown to more than 75 employees who have managed millions of tests and vaccines administered across 15 states.

Andrew has more than 15 years of innovative experience working with digital health start-ups as a founder, leader and driver of growth. Previously he was Head of Platform at BetterDoctor, a platform that enables health care consumers, physicians, and insurers to access accurate provider directories. BetterDoctor was acquired by Quest Analytics, where Andrew led corporate development and oversaw the integration of teams and processes to create a unified provider network management system. He has also helped launch several consumer health portals including Healthline.com as well as search engines for Aetna, Genentech, and UnitedHealthGroup.

In his free time, Andrew enjoys spending time with his wife, Andrea, and toddler, Lexi.

Chris Zhu believes that the quicker you get something built, the sooner it can be tested and improved. His engineering and product management talents were key to Primary.Health’s blazing trajectory from inception, to an efficient and streamlined software platform during a time of critical health care need.

Before coming to Primary, Chris worked as software engineer for big tech including building algorithms for Facebook and Instagram and as a lead engineer for Airbnb where he used ML and AI to develop a chatbot platform that powered Airbnb’s customer support.

A challenge Chris would like to solve in the healthcare space is how to create a patient centric EHR that empowers people to carry their healthcare data with them and be able to transfer it seamlessly between hospitals and providers. Chris is also interested in volunteering in environments where he can teach software skills to people, as well as developing and maintaining open source software.

In his free time, Chris enjoys reading and playing multiple sports including golf, hockey, volleyball and tennis.

Jessica has more than 15 years of experience working in the healthcare industry including mergers and acquisitions, financial forecasts, integrations, process improvement, leadership solutions and as a primary driver of innovation and growth. Before joining Primary.Health, she was the Senior Director for Healthline, a top ranked health publisher, “Dedicated to making health and wellness information accessible, understandable, and actionable so that readers can make the best possible decisions about their health.”

At Healthline, Jessica created and led the Center of Excellence Department which identified challenging problems and created viable solutions. She enjoys taking on challenging projects that have historically been stuck in a rut, and deemed impossible, and turning those challenges into success stories. Nothing makes her happier than demonstrating that magic is, in fact, possible.

Jessica is passionate about health care and empowering people with quality health information. She is particularly interested in solutions to manage the obesity and diabetes epidemic in the US – solutions that will help people living with those health challenges thrive and have a brighter future.

Jessica is a world traveler who spent more than two years living in Latin America. She enjoys spending time with her family, kids, and her little “Heinz 57” dog Maddie.

Jackie Martinez is a motivating force behind Primary.Health’s mission to increase access to quality healthcare with a platform that adapts to the needs of communities and providers. She’s also passionate about advancing knowledge through research and believes tech can be used to free up researchers to do what they do best, find answers.

Prior to Primary.Health, Jackie’s experience spans roles in research projects in East Africa, strategy and analytics at Google, and data strategy at Movii, a Columbian fintech firm focused on financial inclusion.

Jackie also serves as Director of Operations for the non-profit Returning a Promise Scholarship Fund. In this role, she helps empower students in East Los Angeles with financial scholarships so that they can pursue higher education and ultimately help their community grow.

In her free time, Jackie plays Ultimate Frisbee and a variety of musical instruments.

Brad Guth is energized by technology driven change like Primary.Health’s continual innovation to help large organizations, including government entities and large employers protect the health of their populations through reimagined diagnostic testing.

He has deep experience in leading disruptive companies through periods of hyper growth. At iBasis, he was a key member of the executive team as the communications as a service provider and was at the forefront of changes in how international voice and data communications are transported and sold. He helped enable growth from $100 million in revenue to $1.2 billion revenue annually, with three consecutive years as the fastest growing company in New England.

At CIC Health, he was part of the founding team that created and scaled a highly successful COVID-19 solutions business and led business development for channel partnerships and large employers.

Brad is passionate about soccer, supporting Fulham FC and playing in his adult Sunday league. He enjoys a good book and established a book club with his close friends that to date has had over 120 book and beer pairings.

Abigail Stoddard is passionate about effectively managing the intersection of public health, technology and community engagement to increase health equity and provide quality diagnostics for all populations, everywhere.

Abby served as Primary’s Vice President of Business Development and now, as General Manager, she expertly leads Primary’s work with policy makers, state and federal agencies. She holds a dual Doctor of Pharmacy/Master of Business Administration degree and has over ten years of experience across all facets of the healthcare industry including retail, hospital, managed care and public policy.

Prior to joining Primary, Abby worked in managed pharmacy benefits, including informing underwriting for state managed Medicaid rate setting, pharmacy network reimbursements, and specialty pharmacy pipeline and trend analysis. She enjoys being an active participant in Minnesota state policy making, serving for six years on the state’s Drug Utilization Review Board, three years on the state’s Medical Cannabis Review Panel, and she remains an active mentor for pharmacy students at her alma mater, the University of Minnesota.

In her free time Abby enjoys spending time with her wife Clare, traveling, and over feeding her cat.

Toni Nandwana is an innovative and strategic technology leader whose career in public health and healthcare informatics has spanned 25 years. She has a passion for establishing secure and equitable portals for access and engagement, as well as opportunities for training, education, and empowerment.

As Primary’s Chief Information Security Officer, Toni uses her expertise in IT/IS alignment to direct cross-functional and multi-cultural teams in the design and integration of cutting-edge technology solutions. She does this work with the foundational belief that technology, when leveraged with empathy and compassion, can be the great equalizer to help eliminate disparities.

Toni devotes her free time to a fund that provides annual scholarships to those wanting to go into public service, as well as traveling around the world with her family, and baking.

Gerald (Jerry) Nardella is a seasoned finance and operations leader with a distinguished career that spans technology, education, transportation, and logistics. With a background in engineering, Jerry is passionate about constructing intricate models and defining key metrics that guide operations and deliver sustainable growth and profitability.

Prior to joining Primary.Health, Jerry spearheaded financial strategy as CFO of Digital Diagnostics, where he created a financial model pivotal in securing a $75 million in Series B funding.

In a previous role as Bennett Day School CFO, Jerry overhauled the school’s financial model, uncovering efficiencies that accelerated a $7 million capital expansion by two years.

His diverse career path has also included roles as a consultant and entrepreneur, offering his expertise to Fortune 500, mid-market, and international companies. He also has co-founded and successfully sold businesses.