Fundraising Fox

Equator Therapeutics

YC W20

San Francisco, US · 2 employees · 3 known investors

Equator Therapeutics develops first-in-class drugs targeting mitochondrial thermogenesis to treat obesity and metabolic disorders by restoring the body's natural heat production mechanism. The company uses bioelectricity research and high-throughput assays to identify selective activators of thermogenic compounds in mitochondria.

BiotechHealthtechTherapeuticsUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (W20)

LKLiliya Khasin
Liliya KhasininSenior Scientist, Co-Founder2020–2023
YKYuriy Kirichok
Yuriy KirichokinCo-Founder
JSJonah Sinick
Jonah SinickinCo-founder · CEO

Investors · 3

Company profile

researched Aug 2026

Equator Therapeutics is a drug discovery company focused on pharmacological stimulation of thermogenesis — the body's natural heat production — as a mechanism for sustained weight loss and the reversal of metabolic disorders. The company's premise is that, alongside diet and exercise, thermogenesis represents a third major mechanism of weight regulation that burns calories during ordinary daily activity but is suppressed by modern comfortable ambient temperatures. Equator states that recent scientific work at the company has enabled pharmacological activation of this pathway and that it is developing a first-in-class drug on that basis.

The company's programs target mitochondria, the organelles that burn calories to power cells and generate heat. Equator reports having measured the small electrical currents mitochondria use to produce heat, which allowed it to identify and characterize the proteins responsible for those currents. Beyond obesity, the company says its methods and expertise position it to modulate mitochondrial energy production more broadly, and its longer-term plans include programs addressing several other therapeutic mechanisms in mitochondria.

Traction

The company reports scientific breakthroughs enabling pharmacological stimulation of thermogenesis and identification of a large set of thermogenic compounds, and describes itself as now developing a first-in-class drug.

Full profile — market position, technology, go-to-market, geography, history

Market position

Equator positions itself as pursuing a differentiated, first-in-class mechanism for weight regulation — mitochondrial thermogenesis — in contrast to approaches centered on diet and exercise, noting that most people who diet and exercise do not achieve sustained weight loss.

The company describes a singular capacity to directly record the electrical currents that candidate compounds induce in mitochondria, together with high-throughput assays that it says have yielded an unprecedented number of thermogenic compounds, enabling selection for selectivity and safety.

Technology

Equator combines bioelectricity measurement, computational chemistry, and high-throughput interrogation of mitochondrial physiology. Proprietary high-throughput assays have identified a large number of thermogenic compounds, and the company uses direct electrical recording of mitochondrial currents induced by those compounds to select the most selective and safe activators of thermogenesis. The scientific foundations cited by the company include peer-reviewed publications on mitochondrial uncouplers inducing proton leak by activating AAC and UCP1 (Nature, 2022), H+ transport as an integral function of the mitochondrial ADP/ATP carrier (Nature, 2019), and fatty-acid-dependent UCP1 uncoupling in brown fat mitochondria (Cell, 2012).

Go-to-market

As a preclinical therapeutics developer, the company's programs are directed at patients with obesity and metabolic disorders; the company notes that nearly 50% of Americans live with obesity.

Geography

Headquartered in San Francisco, United States, with scientific advisors affiliated with U.S. institutions including UCSF, Yale and Mount Sinai.

History

Equator Therapeutics' work builds on academic research into mitochondrial bioelectricity and uncoupling, reflected in publications from 2012, 2019 and 2022 that the company cites as the foundations of its programs.

Compiled by commissioned research from 1 cited public sources — announcements, filings, and press listed under research sources below.

Key figures

latest reported
HeadcountAug 20266
Share of Americans living with obesity (company-cited market context)Jan 2025nearly 50%

Company-reported or press-reported figures, each dated to when it was claimed — not independently audited.

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Research sources · 1

primary sources listed

1 public sources were cited for this profile; the first-party ones are listed here.

Frequently asked questions

What does Equator Therapeutics do?
Preclinical biotech developing first-in-class drugs that activate mitochondrial thermogenesis to treat obesity and metabolic disorders.
Who founded Equator Therapeutics?
Equator Therapeutics was founded by Liliya Khasin, Yuriy Kirichok, Jonah Sinick.
Who are Equator Therapeutics's investors?
Equator Therapeutics's investors include Endurance28, Evolution VC Partners, Y Combinator.
Where is Equator Therapeutics headquartered?
Equator Therapeutics is headquartered in San Francisco, US.