Danny Grannick in

Danny Grannick

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Product at Superpower
📍 San Francisco, California, United States

Danny Grannick is a product leader with a deep background in health technology. He co-founded Bristle (YC W21), a company pioneering oral microbiome testing. His experience spans genomics and product management, supported by a Biochemistry degree from the University of San Diego and a Masters from NYU.

Outside of his professional life, Danny has a known interest in surfing. This hobby is likely connected to his time growing up in California and attending university in San Diego.

He co-founded and led Bristle, the company that created the worlds first at-home oral microbiome test to improve proactive and personalized dental care.

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Experience
6 Years
Current Role
Product
Job Level
Leadership
Location
San Francisco, California, United States
Personality Overview

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Communication Style
Decision Approach
Work Preference

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Priorities

Topics Danny cares about

Oral Microbiome
As the co-founder and CEO of Bristle, his primary focus is on leveraging the oral microbiome to shift dental care from reactive to proactive and personalized.
Health Technology
His career at Circle Medical and founding Bristle demonstrates a passion for applying technology to create accessible and data-driven healthcare solutions for consumers.
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Career

Work history

6-2025
Product
Superpower
9-2024
Co-Founder
Bristle
6-2020 - 9-2024
CEO & Co-Founder | Product / Ops
Bristle
12-2024 - 7-2025
Senior Product Manager | Growth & Retention
Circle Medical
W21
Y Combinator
In the press

Media appearances

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Education
2012 - 2016
Bachelor's degree
University of San Diego
Masters
New York University
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

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