Danny Grannick

Critic
DISC Type : C

Product at Superpower

San Francisco, California, United States

Overview

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.

Personality Overview

Precise

Objective Thinker

ROI Driven

Unless the value is proven by data, they are unlikely to value fancy features.  They like to do things independently and don’t look for support from others. They choose to analyze logically and value facts to emotions.

Topics They Care 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.
Genomics & Biotech
With a Biochemistry degree and prior roles at industry leaders Illumina and Oxford Nanopore, he has deep expertise in the commercial application of genetic sequencing technology.

Media Appearances

Danny has no verified media appearances

Work History

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

Education

2012 - 2016
Bachelor's degree from University of San Diego
Masters from New York University

More Information

Social Presence :

Prographics :

Exp : 6 Location : San Francisco, California, United States Job Level : Leadership Designation : Product at Superpower
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Insights For Selling To Danny

During A Call Or A Meeting

DO's

  • Be ready for penetrating questions and critical examination of your pitch
  • If you can, show them industry reports or analyst comments instead of sharing anecdotal stories
  • Tell them what ROI they can expect

DONT's

  • Don’t rush them till they have clearly gotten all the necessary information
  • Do not use very emotional or colorful language
  • Avoid pushing them too much to involve other stakeholders unless it is critical

When Cold Calling

When Writing An Email

While Negotiating & Closing

    The secret to closing fast with Danny is

  • Proven ROI, pricing and objective proof points are the factors that sway their decision.
  • Will you ever get a clear answer from Danny

  • They are comfortable saying no if they are convinced that it is the correct decision.

Insights For Deal Planning

    How fast (or slow) will Danny move?

  • Their decision-making is neither very fast nor very slow, they are somewhere in between.
  • Can Danny take some risk or not?

  • They can take risks if their analysis shows that it would be worth it.

You And Danny

Personality Compatibility


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