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BillionToOne

Brand

4.6
  • Overview
  • Salaries
  • People
  • Funding
  • Audience
  • News
  • Links
  • Insights
  • Jobs

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Open positions3 open marketing positions

BillionToOne logo

Senior Marketing Specialist

BillionToOne

Menlo Park, CA (Remote)

$86K/yr - $107K/yrIn-houseFull-timeSenior level3+ years exp.
2 hrs ago
BillionToOne logo

Senior Marketing Specialist

BillionToOne

Menlo Park, CA (Remote)

$86K/yr - $107K/yrIn-houseFull-timeSenior level3+ years exp.
5 hrs ago
BillionToOne logo

Director / Associate Director, Oncology Product Marketing

BillionToOne

USA (On-site)

$188K/yr - $241K/yrIn-houseFull-timeDirector/executive
7 weeks ago

Company overview

BillionToOne is a precision diagnostics company with the mission to make molecular diagnostics more accurate, efficient, and accessible. Our proprietary molecular counting platform can accurately count DNA molecules at the single-count level to help improve disease detection.
Founded in 2016
Menlo Park, California, USA
677 employees (17 in marketing)
www.billiontoone.com
86% recommend to a friend
91% positive business outlook

People

Founders and leadership

Oguzhan Atay, PhD
Oguzhan Atay, PhD
Co-founder and CEO
At the company for 9 years 9 months

Marketing leadership

Jaclyn Tan Eng
Jaclyn Tan Eng
VP of Marketing
At the company for 9 months
Joanna Bradley
Joanna Bradley
Director, Talent Acquisition
At the company for 11 months
Joe McKelley
Joe McKelley
Director of Product Marketing, Oncology
At the company for 2 years 1 month
Eric Rothman
Eric Rothman
Sr. Manager of Marketing, Oncology
At the company for 5 months

Hiring contacts

Joanna Bradley
Joanna Bradley
Director, Talent Acquisition
At the company for 11 months
Joshua D Cleveland
Joshua D Cleveland
Senior Talent Acquisition Specialist
At the company for 3 years 4 months

Hiring activity

Open marketing jobs over time

3 open now

Headcount trend

Company growth over the last 12 months

Funding

Total funding

$425.9M

Last raise

$130M

Series D, 2 years ago

Funding history

Jun 2024

Series D BillionToOne · $130M

Dec 2022

Debt Financing BillionToOne · $35M

Dec 2022

Series C BillionToOne · $48.5M

Mar 2022

Series C BillionToOne · $125M

Jun 2021

Series B BillionToOne · $55M

Audience

Monthly website visitors
30.6K
Month over month+34.3%
Quarter over quarter+194.2%
Top sourceSearch (48.6%)
Ad budget per month$0.0
Average search rank53.5
Traffic source mix
Search
48.6%
Direct
43.3%

News

Jim Cramer Says BillionToOne Has a “Fantastic Story” Within the Diagnostics Space
Nov 17, 2025 • Yahoo Finance
BillionToOne SVP Johnson buys $414k in class A common stock
Nov 12, 2025 • Investing.com
BillionToOne Insider Bought Shares Worth $2,499,960, According to a Recent SEC Filing
Nov 11, 2025 • MarketScreener

Links

www.billiontoone.comLinkedInCrunchbaseX (Twitter)
Glassdoor

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Headcount +36.8% year over year

Mar 2020

Series A BillionToOne · $15M

Referral
5.5%
Paid referral
1.4%
Social
1.1%

LinkedIn followers

Follower count and growth

Total followers

38.1K

12-mo growth

+60.6%

Monthly growth

+3.9%

Salaries

Typical salary range

$190,081 – $211,201

/ yr

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BillionToOne insights

Company and marketing-team signals from saved company data and employee profiles. Use this before you apply, interview, or negotiate.

Founded
2016
Headquarters
Menlo Park, California
Employees
501-1000
36.8% growth last 12mo
Marketing team
17
3% of company
26 saved employee profiles are linked to this company.

Company stability and risk

Shows a quick risk view from growth, funding age, and news.

Main result
Low risk
Late-stage · Growing 36.8% last 12 months · More mature
Trend
2021-06-28 -> 2025-11-24
Headcount (12 months)
+36.8%
Last funding round
21 months ago
Negative news (120 days)
0
Risk score0/7

Website traffic

Shows traffic size, change, and traffic sources.

Monthly website visitors
30.6K
Month over month+34.3%
Quarter over quarter+194.2%
Top sourceSearch (48.6%)
Traffic source mix
Search
48.6%
Direct
43.3%
Referral

Competitors and search

Shows competitors and key search metrics in one view.

Main result
95 competitor sites
Search traffic: 1.6K organic clicks / 0 paid clicks
Organic competitors
0
Paid competitors
0
Keyword change
+165
Ad budget per month
$0.0
Average search rank
53.5

LinkedIn followers

Shows follower count and growth.

LinkedIn followers

Follower count and growth

Job openings

Shows open jobs, growth, and role changes.

Main result
1 open jobs
Open jobs trend: —
Trend

Marketing team size

Shows saved marketing team size.

17
3% of the company • 26 saved marketing people

First hire or larger team

Shows if this looks like one hire or a bigger team.

Looks like larger team
Based on saved marketing team size: 17.

Glassdoor ratings

Shows saved Glassdoor ratings.

Glassdoor ratings
Overall rating
4.6 / 5
Work-life balance
4.1 / 5
Culture
4.5 / 5
Diversity & inclusion
4.5 / 5
Recommend to a friend
86%
Positive business outlook
91%

Funding

Shows saved funding data.

Total funding
$425.9M
Last raise
Series D
2 years ago
Funding details
Amount raised
$425.9M
Last round
Series D
Last fundraise
2 years ago

News

Shows saved company news.

Jim Cramer Says BillionToOne Has a “Fantastic Story” Within the Diagnostics Space
Nov 17, 2025 • Yahoo Finance
BillionToOne SVP Johnson buys $414k in class A common stock
Nov 12, 2025 • Investing.com
BillionToOne Insider Bought Shares Worth $2,499,960, According to a Recent SEC Filing
Nov 11, 2025 • MarketScreener
5.5%
Paid referral
1.4%
Social
1.1%

Total followers

38.1K

12-mo growth

+60.6%

Monthly growth

+3.9%

2023-07-01 -> 2026-02-01
Open jobs growth
—
Biggest role change
—
Latest open role
Clinical Genomics Scientist, Oncology (Part-Time Contractor)