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HealthRhythms, based in Cambridge, Massachusetts, develops a digital mental health platform utilizing smartphone sensors and artificial intelligence to passively monitor behavioral rhythms like sleep, activity, and social engagement for continuous mental health assessment. The platform integrates objective data with self-reports to provide personalized interventions, aiming to enable early detection and proactive care over reactive treatment by analyzing everyday routines for biomarkers of conditions such as bipolar disorder. Serving health systems like UCHealth, the company secured $11 million in oversubscribed seed funding around 2020, with lead investors including GSR Ventures and support from Brook Byers of Kleiner Perkins. Prominent individuals involved with the company include CEO Carlos Rodarte, Chief Scientific Officer Ellen Frank, and Medical Director David Kupfer, with Paul Gilbert recently serving as CEO. HealthRhythms was founded in 2014 by Carlos Rodarte, Tanzeem Choudhury, Ellen Frank, David Kupfer, and Shahid Ali.
HealthRhythms has raised $11.0M across 1 funding round.
HealthRhythms has raised $11.0M in total across 1 funding round.
# HealthRhythms: Digital Mental Health Intelligence Platform
HealthRhythms is a digital mental health company that transforms behavioral data into actionable clinical insights through machine learning and predictive analytics.[1] The company develops a smartphone-based platform that passively collects data on everyday behaviors—sleep, physical activity, social engagement, and movement patterns—and converts these signals into mental health assessments and personalized interventions.[3] Rather than relying on subjective patient self-reports between clinical visits, HealthRhythms enables continuous, objective monitoring that helps clinicians detect mental health deterioration early and intervene before crises occur.[2]
The company serves health systems, payers, clinical researchers, and pharmaceutical companies, positioning mental health intelligence as a foundational layer across all healthcare delivery.[1] Its core value proposition addresses a critical gap: the current mental health landscape suffers from poor access to timely, high-quality care, and providers across all specialties lack tools to integrate behavioral health monitoring without specialized psychiatric expertise.[3]
HealthRhythms was founded in 2014–2015 by Carlos Rodarte (CEO), Tanzeem Choudhury (Chief Technology Officer, computer scientist from Cornell University), Ellen Frank, David Kupfer, and Shahid Ali.[2][4] The company emerged from rigorous academic research into interpersonal social rhythm therapy (IPSRT), a scientifically validated treatment for bipolar disorder that emphasizes the importance of consistent sleep, eating, movement, and social interaction patterns.[6]
The founding team's breakthrough came through MoodRhythm, a mobile app developed by Choudhury and Frank that won the $100,000 Heritage Open mHealth Challenge Prize in 2013.[2][7] This early success demonstrated the feasibility of using smartphone sensors to measure behavioral rhythms relevant to mood disorders, providing the proof-of-concept that launched the company. HealthRhythms publicly launched in March 2016 after 18 months in stealth mode, having already tested its system with multiple health insurers and providers on approximately 10,000 patients.[2]
HealthRhythms operates at the intersection of three powerful trends: the digital mental health boom, the shift toward continuous remote monitoring in healthcare, and the maturation of machine learning for clinical applications.
The company addresses a systemic failure in mental health care delivery. Traditional psychiatric practice relies on episodic visits and patient self-awareness, leaving dangerous gaps between appointments. As mental health crises—particularly suicide and substance use disorders—have become leading causes of preventable death, payers and health systems are desperate for tools that provide continuous visibility.[3][7] HealthRhythms' timing is fortuitous: smartphone ubiquity, sensor sophistication, and cloud infrastructure now make passive behavioral monitoring technically feasible and economically viable at scale.
The company's partnership with UCHealth (announced with an $11 million investment) signals institutional validation and demonstrates scalability potential.[3] By integrating with a 12-hospital academic health system serving over 2 million patients across three states, HealthRhythms moves beyond pilot programs into mainstream clinical workflows. This partnership also reflects a broader shift: health systems are increasingly willing to embed AI-driven behavioral health tools into primary care and emergency medicine, not just psychiatry.
HealthRhythms influences the ecosystem by establishing a new category—behavioral digital biomarkers—that bridges clinical research, pharmaceutical development, and routine care. Its use in pharmaceutical trials and academic research programs helps validate whether social rhythm data can predict treatment response, potentially transforming how drugs are tested and prescribed.[7]
HealthRhythms is well-positioned to become a foundational infrastructure layer in mental health care, similar to how EHR systems became foundational for general healthcare. The company's expansion beyond bipolar disorder—including work on alcohol use disorder and sleep disturbance—signals ambitions to address the full spectrum of mental health and behavioral conditions.[7]
Key inflection points ahead include: scaling the UCHealth partnership into additional health systems, securing FDA clearance or validation for specific clinical use cases, and proving that continuous behavioral monitoring reduces hospitalizations and improves outcomes in ways that justify reimbursement. The company's focus on pharmaceutical partnerships and SBIR funding suggests a dual-revenue strategy: licensing to health systems while simultaneously building evidence for drug development.
The broader question is whether HealthRhythms can overcome the persistent challenge of digital health adoption: integrating into clinician workflows without adding burden. If the platform succeeds in making mental health monitoring truly "invisible" to both patients and providers, it could reshape how millions of people with mood and behavioral disorders receive care—transforming mental health from episodic crisis management into continuous, data-driven prevention.
HealthRhythms has raised $11.0M in total across 1 funding round.
HealthRhythms's investors include Delta Emerald Ventures, Flexcap, F-Prime Capital Partners, GSR Ventures, David Schenkein, Kin Ventures, Kleiner Perkins, Qiming Venture Partners, Sapphire Ventures, Streamlined Ventures, Torch Capital, What If Ventures.
HealthRhythms has raised $11.0M across 1 funding round. Most recently, it raised $11.0M Seed in February 2022.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Feb 1, 2022 | $11M Seed | — | Delta Emerald Ventures, Flexcap, F Prime Capital, GSR Ventures, David Schenkein, KIN Ventures, Kleiner Perkins, Qiming Venture Partners, Sapphire Ventures, Streamlined Ventures, Torch Capital, What IF Ventures, Alexander Saint Amand | Announced |