Meet Our Team

Our team brings extensive clinical and high-tech industry expertise to deliver quality access for families and children everywhere.

Founders

Dr. Cierra Gromoff

Co-Founder & CEO

Dr. Cierra Gromoff is a nationally recognized telehealth innovator with over a decade of experience designing high-impact virtual care programs across hospitals, schools, and public and private sectors. She began advancing telehealth solutions well before the pandemic, with a focus on practical, scalable approaches to care delivery.

Specializing in child and family health, Cierra’s work spans all stages of life, combining clinical expertise with technology to support better health outcomes. Her early experiences growing up in a remote Alaskan Native community, and later serving families in communities facing logistical and financial barriers to care, continue to shape her commitment to improving access. 

Cierra has been named a 2023 Rock Health Innovation Fellow and a 2024 Aspen Ideas: Health Fellow, and has spoken at national conferences including Cornell Tech and AscendRural on the responsible use of AI in healthcare to improve health outcomes for all.

Christie Sander

Co-Founder, President & COO

Christie Sander is a seasoned operations executive with over 15 years of experience driving innovation across startups and global tech leaders, including Apple, Nest, Google, and IBM. As an early employee at Nest, she championed company-wide strategic initiatives and was later entrusted to lead key integration efforts following the company’s acquisition by Google / Alphabet. Christie has built and scaled first-of-kind products while leading highly cross-functional teams across supply chain, strategy, operations, and people functions. Known for her ability to navigate high levels of complexity, she brings a rare blend of strategic vision and operational rigor, consistently delivering results in fast-paced, high-growth environments.

Christie sustained a life-altering accident in 2021, renewing her clarity and purpose in life. Both on a mission to revolutionize the future of healthcare delivery, Cierra and Christie founded Kismet Health in late 2022.  Between their respective clinical and high-tech backgrounds, Cierra and Christie have a unique perspective on how human-centered AI technology can unlock access and better outcomes for all.

The Kismet Team

Dr. Arwin Cotas-Girard
Head of Clinical

Dr. Cotas-Girard is a Clinical Psychologist specializing in assessment of neurodivergence across the lifespan. Dr. Cotas-Girard first started as an Applied Behavioral Analysis therapist, which inspired her to pursue a doctoral degree in Psychology from the Wright Institute. Now with 10+ years of experience across non-profit, private practice, the Department of Education, and large hospital settings, Dr. Cotas-Girard is a published author in peer-reviewed publications and serves on the Board for the Collaborative Assessment Association of the Bay Area. As a first generation immigrant, she is passionate about providing high-quality care to underserved communities, and is excited for Kismet to drive impactful and lasting changes in healthcare.

Craig Spaeth
Head of Engineering

Craig is a seasoned engineering leader with 15+ years in health tech and 25 years of programming experience, blending deep expertise across product, design, and engineering at both early-stage and scaled startups. He was a founding engineer at Artsy, where he led development of core platforms and greenfield products for over seven years. At Octave Health, Craig built the tech stack from the ground-up as Head of Product & Engineering, integrating clinical, billing, and marketing systems to support rapid growth. Most recently, he served as Director of Engineering at Cityblock Health, guiding teams through hyper-growth and delivering scalable architecture across product and data.

Stephanie Noriea
Partnerships Lead

Stephanie is a digital health executive and attorney with deep expertise in government relations, Medicaid/Medicare strategy, and value-based contracting. A trusted advisor to health plans and public-sector leaders, she has helped shape policy and scale innovative care models across the country. Stephanie was an early leader at Ready Responders and Nest Health, where she played a critical role in growth, partnerships, and regulatory strategy.

Rob Nealan
Engineering Lead- Frontend

Rob is a senior software engineer and designer with over 10 years of experience working at the intersection of technology and design for companies ranging from early-stage health tech startups to Fortune 500 engineering teams, and most recently as a founding engineer at an AI audio company. He formerly ran the Designers Who Code 3000+ person meetup in San Francisco, but is currently based far away from the ocean in the San Juan Mountains town of Telluride, Colorado.

Terry Harmon
Engineering Lead- Backend

Terry is a technical leader with close to two decades of experience building tech companies from back of the napkin ideas to exit. With a deep passion for programming and engineering, he has worked with a wide variety of companies building both hardware and software solutions ranging from eye tracking systems to enterprise software used by Fortune 100 companies. Terry formerly worked as CTO of a venture studio and most recently as an early engineer at an AI audio company building state of the art Text to Speech tools for enterprise companies.

Kristina Coleman
Marketing + Communications Lead

Kristina boasts a wealth of experience as a marketing consultant and trusted advisor, with 10+ years experience leading B2B awareness, retention marketing, and communications strategies in the healthcare and tech space. Previously, Kristina was the head of Americas Marketing at Proximie, a digital health technology platform, and played pivotal roles in marketing at esteemed academic medical institutions including Columbia University Irving Medical Center, NYP Hospital, Morgan Stanley Children's Hospital, Weinberg Family Cerebral Palsy Center, and UAB Medicine, among others. Kristina has a Masters in Communication Management and is based in New York City.

Advisory & Support Team

Chethan Sarabu
MD – Clinical Assistant Professor of Pediatrics, Stanford Medicine

Chethan is a pediatrician, clinical informaticist, and former landscape architecture student working at the intersection of health, technology, and the environment. He is the inaugural Director of Clinical Innovation at Cornell Tech’s Health Tech Hub and co-founder of CHILL (Climate Health Innovation & Learning Lab). Over the past six years, he has held leadership roles in health tech—as Head of Product, Director of Clinical Informatics, and Medical Director at doc.ai and Sharecare—while also serving as Clinical Assistant Professor at Stanford Medicine. His work spans patient portals, EHR redesign, AI-driven digital health, virtual trials, and health equity policy. Sarabu advises the OpenNotes Lab and serves on the board of The Light Collective. As Vice-Chair of AMIA’s Climate, Health, and Informatics group, he helps shape the emerging field of climate health informatics, bridging Cornell Tech’s Urban Tech and Health Tech Hubs to tackle the health impacts of climate change.

Dr. Devika Bhushan
MD, Pediatrician, Public Health Leader & Advisor, CMO Daybreak Health

Dr. Devika Bhushan is a pediatrician and public health leader with expertise in health innovation, stress and resilience, trauma-informed systems, and gender and health equity. Dr. Bhushan serves on Stanford’s adjunct faculty, as Chief Medical Officer at Daybreak Health, bringing personalized mental health support to youth in schools, as a senior strategic advisor on equity and resilience, and on the national Board for the National Alliance on Mental Illness. She is an award-winning mental health spokesperson, first disclosing her own mental health journey publicly while serving as Acting Surgeon General for California. Dr. Bhushan trained at Harvard Medical School and Johns Hopkins. She is a parent, an immigrant, and a first-generation Indian-American.

Jonathan Simon
Technology Advisor

Jonathan is a serial CTO for impactful mission driven startups. Most recently, he was the founding CTO at Brightline Health, where he led the 0 to 1 build of a 50-state virtual pediatric behavioral health offering and scaled a team from 0-60, entirely virtual, during the height of COVID lockdown and the behavioral health crisis. He was previously on the founding team and CTO at AllTrails, where he took the team from 0 to 1 and stewarded a small, highly leveraged team of 8 engineers and myself supporting over 10 million members. He also spent a few years at Meta in infrastructure, Qualcomm (via acquisition) after developing one of the first US-based mobile banking systems (pre-Android and pre-iOS), and over a decade in finance (JP Morgan, Merrill Lynch) developing trading systems.

Karen Marie Joswick
MHA, CHCIO, FHIMSS, CPHIMS - President and CEO, Benevolence Health

Karen is an experienced healthcare executive with a track record of driving innovation and transformation. She is the Founder & President of Benevolence Health. With deep expertise in change management, Karen has guided numerous organizations through complex transformations, helping them to enhance their strategic positioning, operational efficiency, and patient outcomes while aligning to new payment models. She holds multiple professional certifications in health IT and clinical informatics, serves as an adjunct faculty member at Jefferson University, and has been on the Board of Directors for NAACOs. Her thought leadership on the intersection of operations, technology and value-based care has been featured in industry publications and conferences.

Miriam Connor
AI Advisor

Miriam is a software engineering executive with a track record of leading both engineers and social scientists to deliver cutting-edge technology at the intersection of NLP, AI, and Psychology. Miriam studied linguistics and natural language processing at Stanford, built tools at Google to better understand language in queries and on the web, and led teams at Humu to build software that helped managers become great mentors and coaches.

Ryan Changcoco
VP – 2x Founder & Healthcare Industry Leader

Ryan is the current Vice President of Government and Investor Relations at Life365, Microsoft’s exclusive Remote Patient Monitoring healthcare partner. Prior to Life365, Ryan served as the CEO of two startups, CSurgeries and The Physician's Edge. Ryan also held positions at ATD, Blue Cross Blue Shield, and The Advisory Board Company, where he led product development as well as sales and marketing teams. Over the years, Ryan has helped to advise several startups with fundraising, go-to market strategies, and operations. As an advisor to Kismet, Ryan is excited to help develop meaningful solutions for providers in the pediatric behavioral health space.

Taylor Marcus
General Manager, Crate

Taylor has 20 years experience across Google, YouTube, and Instagram where she led first-of-kind opportunities to drive innovation and business growth across partnerships and products.  After serving as the General Manager at an early-stage startup, Taylor now leads partnerships between the Berkeley SkyDeck accelerator and its ecosystem of startups, corporations, industry players, government entities, and more.

Yicheng 'YC' Sun
Senior Director of Healthcare and Wellbeing, IDEO

When he was a kid, YC dreamed of becoming a LEGO master builder. Now, he brings that inventiveness and exploratory spirit to building and launching world-class products and experiences. YC leads a multi-million dollar portfolio in digital health and emerging technologies at IDEO, a globally acclaimed design and innovation firm. He advises executive leaders to define realistic product strategy, navigate the creative process, and enable the right conditions for digital transformation. YC is also an adjunct professor at Stanford Design School. He co-teaches "Design for Healthy Behaviors,” a graduate-level course where students apply design thinking alongside patient-volunteers with chronic conditions to improve their long term health. In his free time, he loves running community events and absurdly long distances.