John Lister

Enthusiast
DISC Type : i

Chief Administrative Officer at Billion To One

Carlsbad, California, United States

Overview

John Lister is the Chief Administrative Officer at BillionToOne, a molecular diagnostics company. He is a seasoned med-tech leader with a broad background spanning legal, HR, commercial, and international operations. His experience includes scaling companies like Dexcom from 70 to over 6, 000 employees and holds a Juris Doctor from the University of San Francisco.

He successfully transitioned from leading legal and HR departments at Dexcom to building and running the companys entire international business for five years.

Personality Overview

Story Driven

Non-Confrontational

Optimistic

Unlike D or C types, they are convinced more by stories and testimonials.  They are more about building relationships than just cutting deals. They agree with others often, so exercise caution when relying on their word.

Topics They Care About

Scaling MedTech Companies
He has extensive experience on executive teams that have led high-growth companies, such as Dexcom, from zero revenue to over $1. 5 billion.
Diabetes Technology
He has over 15 years of deep industry experience, having held leadership roles at diabetes-focused companies like Dexcom, Tidepool, and Quin.
International Market Growth
He built and led the international business for Dexcom, launching their products in over 35 countries and significantly growing their global footprint.

Media Appearances

John has no verified media appearances

Work History

7-2025
Chief Administrative Officer at Billion To One
6-2022 - 6-2025
Chief Operating Officer at Tidepool
2-2020 - 5-2023
Board Member at Quin: Diabetes Management
1-2020 - 1-2023
Strategic Advisor at Tandem Diabetes Care
1-2008 - 9-2019
EVP, Legal, Human Resources, and International at Dexcom

Education

1993 - 1997
Education details unavailable from Claremont McKenna College
2000 - 2003
Doctor of Law - JD from University of San Francisco

More Information

Social Presence :

Prographics :

Exp : 17 Location : Carlsbad, California, United States Job Level : Leadership Designation : Chief Administrative Officer at Billion To One
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Insights For Selling To John

During A Call Or A Meeting

DO's

  • Maintain high, positive energy and convey confidence
  • Refer to interesting customer testimonials and stress on great customer experience
  • Invite them for a lunch or a drink/coffee

DONT's

  • Don’t ask too many questions in one go, weave them into the flow
  • Avoid overloading them with too much information
  • Don’t be too formal with them, they trust informality more

When Cold Calling

When Writing An Email

While Negotiating & Closing

    The secret to closing fast with John is

  • Relationships and rapport matter to them, but so does the value of the product.
  • Will you ever get a clear answer from John

  • They probably won't say no directly.


Insights For Deal Planning

    How fast (or slow) will John move?

  • They are not the ones to make fast decisions, even while they stay committed.
  • Can John take some risk or not?

  • If it seems really necessary, they can take small risks.

You And John

Personality Compatibility


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