Quantum Source
Quantum Source builds photonic quantum computers designed to scale to millions of qubits with lower complexity and cost than other systems. The Israel-based company raised $77M in Series A funding in September 2024 and employs 66 people.
The growth story
Quantum Source grew from 24 to 66 employees between 2022 and 2026, raising $77M along the way, most recently a Series A in September 2024.
About
Quantum Source develops quantum computing hardware using a photonic architecture that integrates photon-atom gates for efficient quantum information exchange. Its systems aim to reduce the complexity, power consumption, and cost of scaling quantum computers, targeting applications in medicine, security, climate modeling, and finance.
The company, founded in 2021, has grown to 66 employees and secured $77M in Series A funding in 2024. Its investors include Dell Technologies Capital, Eclipse, and Grove Ventures, signaling strong backing for its approach to scalable quantum computing.
Founders and leadership
Engineering is the largest function at Quantum Source, with 9 employees. The company has a median tenure of 2 years, suggesting a relatively young and dynamic workforce.
The Quantum Source org chart
Oded Melamed (Chief Executive Officer) leads 12 mapped leaders with 6 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Research 33 (+32% YoY), Engineering 13 (+18% YoY), Information Technology 5 (+67% YoY), Business Development 5 (0% YoY).
Talent flow
Quantum Source recruits heavily from Israeli academic institutions, with Tel Aviv University, Bar-Ilan University, and Ben-Gurion University of the Negev being top sources. Alumni have moved on to roles at Twine Security, Viola Ventures, and Weizmann Institute of Science.
Most common previous employers of Quantum Source staff: Tel Aviv University (5), Ben-Gurion University of the Negev (4), Elbit Systems Israel (4), Bar-Ilan University (4), Israel Defense Forces (3), Weizmann Institute of Science (3). Former Quantum Source employees most often moved to Twine Security (1), Viola Ventures (1), Weizmann Institute of Science (1), Q-Factor (1), RealSense (1), Exodigo (1).
Alumni worth knowing
Web traffic
Traffic mix: 15% direct, 47% search, 38% social, 0% paid.
What this company is made of
Most common skills at Quantum Source: MATLAB (34), Python (Programming Language) (26), Research Skills (24), Physics (23), Optics (21), C (Programming Language) (15), Research and Development (R&D) (13), Electro-optics (12).
Where the team actually sits
Quantum Source people are concentrated in Israel (21), Center District, Israel (14), Tel Aviv District, Israel (7), Jerusalem District, Israel (3).
Search footprint
Quantum Source attracts about 28 organic search visits a month, traffic worth roughly $0K a month if bought through ads. It gained 14 ranking keywords and lost 12 in the last period.
Frequently asked
Quantum Source has 66 employees as of September 2026.
Quantum Source has raised $77M in total, most recently a Series A round in September 2024.
Quantum Source was founded in 2021 by Barak Dayan, Gil Semo.
Oded Melamed (Chief Executive Officer) sits at the top of Quantum Source's reporting structure, with 6 direct reports.
The most common previous employers of current Quantum Source staff are Tel Aviv University (5 people), Ben-Gurion University of the Negev (4 people), Elbit Systems Israel (4 people).
Former Quantum Source employees most often move to Twine Security (1), Viola Ventures (1), Weizmann Institute of Science (1).
Quantum Source attracts about 28 organic search visits a month, worth roughly $0K a month in equivalent ad spend.
The most common skills among Quantum Source staff are MATLAB, Python (Programming Language), Research Skills, Physics, Optics.
Quantum Source staff are concentrated in Israel (21), Center District, Israel (14), Tel Aviv District, Israel (7).
Quantum Source has about 33 people in Research, up 32% over the past year, as of September 2026.
Quantum Source has about 13 people in Engineering, up 18% over the past year, as of September 2026.
Computed from 49 current and 14 former Quantum Source profiles, as of September 2026. Source: Crustdata.
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