Arbor Biotechnologies

Biotechnology ResearchCambridge, Massachusetts, United StatesFounded 2016100 employees$305M raised

Arbor Biotechnologies is a gene editing company developing genomic medicines, with over 100 employees and $305M in funding. It has the industry's largest proprietary toolbox of genomic editors, allowing it to select optimal editing approaches for specific diseases.

7
7 companies were started by ex-Arbor Biotechnologies people.
Eli Lilly and Company
Eli Lilly and Company is the most common next stop for people leaving Arbor Biotechnologies (6 alumni).
Employees
100
Total raised
$305M
Last: Series C
Open roles
1
0% vs last year
Site visitors
10K
per month
Alumni founders
7
companies started

The growth story

Arbor Biotechnologies headcount and funding100 people today
163$215M$74M100202120222023202420252026
Data by CrustdataCrustdata

Arbor Biotechnologies grew from 59 to 100 employees between 2021 and 2026, raising $305M along the way, most recently a Series C in March 2025.

About

Arbor develops gene therapies by matching diseases to the most suitable gene editing tools from its extensive proprietary collection. Its approach lets researchers work backward from disease pathology rather than being limited to a single editing technology.

The company has raised $305M through Series C and draws talent heavily from pharmaceutical firms like Pfizer (6 hires) and CRISPR specialists like CRISPR Therapeutics (4). Its headcount stands at 100, with particularly strong representation from Boston-area research institutions.

Founders and leadership

Research dominates Arbor's workforce at 38% of headcount. Leadership includes alumni from the Broad Institute, a key CRISPR research center. The company maintains a median tenure of 2 years, typical for biotech startups.

The Arbor Biotechnologies org chart

Devyn Smith (Chief Executive Officer, CEO) leads 37 mapped leaders with 10 direct reports. Click +N to expand a team; names link to the person’s public profile.

Departments, and which ones grew

Headcount by functiongrowth vs 12 months ago
RResearch
47-18%
BBusiness Development
13-13%
EEngineering
7-22%
OOperations
4-33%
IInformation Technology
40%
HHuman Resources
3-25%
AAccounting
3+50%
Data by CrustdataCrustdata

Headcount by function: Research 47 (-18% YoY), Business Development 13 (-13% YoY), Engineering 7 (-22% YoY), Operations 4 (-33% YoY), Information Technology 4 (0% YoY), Human Resources 3 (-25% YoY).

Talent flow

Arbor recruits heavily from Big Pharma (Pfizer, EMD Serono) and gene editing specialists (CRISPR Therapeutics). Alumni frequently move to Eli Lilly (6) and Moderna (3). Local universities like Northeastern and Tufts supply many researchers.

Where Arbor Biotechnologies people come from, and where they go85 current + 163 former profiles
6 people: Pfizer → Arbor Biotechnologies6 people: Tufts University → Arbor Biotechnologies5 people: Broad Institute of MIT and Harvard → Arbor Biotechnologies4 people: UMass Chan Medical School → Arbor Biotechnologies4 people: EMD Serono → Arbor Biotechnologies4 people: CRISPR Therapeutics → Arbor Biotechnologies4 people: Boston University → Arbor Biotechnologies4 people: University of California, Berkeley → Arbor Biotechnologies6 people: Arbor Biotechnologies → Eli Lilly and Company5 people: Arbor Biotechnologies → WayBio3 people: Arbor Biotechnologies → Moderna3 people: Arbor Biotechnologies → Novo Nordisk3 people: Arbor Biotechnologies → GSK2 people: Arbor Biotechnologies → Genezen2 people: Arbor Biotechnologies → Stylus Medicine2 people: Arbor Biotechnologies → Vertex PharmaceuticalsArbor Biotechnologies100 peopleCAME FROMWENT TOPfizer6 peopleTufts University6 peopleBroad Institute of …5 peopleUMass Chan Medical …4 peopleEMD Serono4 peopleCRISPR Therapeutics4 peopleBoston University4 peopleUniversity of Calif…4 peopleEli Lilly and Compa…6 peopleWayBio5 peopleModerna3 peopleNovo Nordisk3 peopleGSK3 peopleGenezen2 peopleStylus Medicine2 peopleVertex Pharmaceutic…2 people
Data by CrustdataCrustdata

Most common previous employers of Arbor Biotechnologies staff: Pfizer (6), Tufts University (6), Broad Institute of MIT and Harvard (5), UMass Chan Medical School (4), EMD Serono (4), CRISPR Therapeutics (4). Former Arbor Biotechnologies employees most often moved to Eli Lilly and Company (6), WayBio (5), Moderna (3), Novo Nordisk (3), GSK (3), Genezen (2).

Alumni worth knowing

The Arbor Biotechnologies mafia

7 alumni-founded companies exist, including WayBio (3 founders) and Genezen (1 founder). Broad Institute connections are strong, with one founder and over 3,200 staff links to the CRISPR research hub.

Winston Yan, MD PhDSteve FavaloroAndy HarrisKaveh DaneshvarHuaibin (Eli) ZhangQiyuan Yang9
founders left Arbor Biotechnologies and started 7 companies, employing 3,505 people between them

Winston Yan, MD PhD, was Co-Founder until 2025
266 employees
Steve Favaloro, was Chief Financial Officer until 2023
25 employees
Andy Harris, was Consultant until 2019
8 employees
Kaveh Daneshvar, was Senior Director, Head of Precision Editing until 2024
Huaibin (Eli) Zhang, was Director, Core Services and Engineering until 2024
Qiyuan Yang, was Senior Scientist until 2025
Pam Stetkiewicz, was Chief Operating Officer until 2025
Seynedhee A., was Financial Planning Analyst until 2023
Kelly Davis, was Director, Performance Development & Enablement until 2025

Web traffic

arbor.bio monthly visitors+93% month over month
3,2826,5379,7929,792202420252026
Data by CrustdataCrustdata

Traffic mix: 38% direct, 52% search, 0% social, 4% paid.

What this company is made of

Headcount by skillwhat people list on their profiles
RResearch Skills
36
MMolecular Biology
33
MMicrosoft Office
28
CCell Culture
28
PPolymerase Chain Reaction (PCR)
24
WWestern Blotting
24
BBiotechnology
23
DDNA Extraction
22
DData Analysis
20
FFluorescence Microscopy
20
Data by CrustdataCrustdata

Most common skills at Arbor Biotechnologies: Research Skills (36), Molecular Biology (33), Microsoft Office (28), Cell Culture (28), Polymerase Chain Reaction (PCR) (24), Western Blotting (24), Biotechnology (23), DNA Extraction (22).

Where the team actually sits

Headcount by regionHQ: Cambridge, Massachusetts, United States
MMassachusetts, United States
59
GGreater Boston
20
UUnited States
5
CCalifornia, United States
1
Data by CrustdataCrustdata

Arbor Biotechnologies people are concentrated in Massachusetts, United States (59), Greater Boston (20), United States (5), California, United States (1).

Search footprint

Organic clicks
524
per month
Traffic worth
$2K
if bought as ads
Ranking keywords
264

Arbor Biotechnologies attracts about 524 organic search visits a month, traffic worth roughly $2K a month if bought through ads. It gained 30 ranking keywords and lost 33 in the last period.

What employees say

Compensation
3.30 / 5
Career opportunities
3.00 / 5
Senior management
2.70 / 5
Work-life balance
3.30 / 5

Frequently asked

How many employees does Arbor Biotechnologies have?

Arbor Biotechnologies has 100 employees as of September 2026.

How much has Arbor Biotechnologies raised?

Arbor Biotechnologies has raised $305M in total, most recently a Series C round in March 2025.

Who founded Arbor Biotechnologies?

Arbor Biotechnologies was founded in 2016 by David Scott, David Walt.

Who is the CEO of Arbor Biotechnologies?

Devyn Smith (Chief Executive Officer, CEO) sits at the top of Arbor Biotechnologies's reporting structure, with 10 direct reports.

Where does Arbor Biotechnologies hire from?

The most common previous employers of current Arbor Biotechnologies staff are Pfizer (6 people), Tufts University (6 people), Broad Institute of MIT and Harvard (5 people).

Where do Arbor Biotechnologies employees go after leaving?

Former Arbor Biotechnologies employees most often move to Eli Lilly and Company (6), WayBio (5), Moderna (3).

What companies were founded by ex-Arbor Biotechnologies employees?

At least 7 companies have a founder who previously worked at Arbor Biotechnologies, including Broad Institute of MIT and Harvard, Genezen, Parallel Fluidics.

How much traffic does Arbor Biotechnologies get from search?

Arbor Biotechnologies attracts about 524 organic search visits a month, worth roughly $2K a month in equivalent ad spend.

What skills do people at Arbor Biotechnologies have?

The most common skills among Arbor Biotechnologies staff are Research Skills, Molecular Biology, Microsoft Office, Cell Culture, Polymerase Chain Reaction (PCR).

Where is Arbor Biotechnologies's team located?

Arbor Biotechnologies staff are concentrated in Massachusetts, United States (59), Greater Boston (20), United States (5).

How big is Arbor Biotechnologies's research team?

Arbor Biotechnologies has about 47 people in Research, down 18% over the past year, as of September 2026.

How big is Arbor Biotechnologies's business development team?

Arbor Biotechnologies has about 13 people in Business Development, down 13% over the past year, as of September 2026.

Computed from 85 current and 163 former Arbor Biotechnologies profiles, as of September 2026. Source: Crustdata.

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