BreezeBio
BreezeBio is a biotechnology company developing precision genetic medicines using nanoparticles to deliver mRNA and other genetic payloads to specific tissues. The company has raised $128M and employs 64 people.
The growth story
BreezeBio grew from 37 to 64 employees between 2021 and 2026, raising $128M along the way, most recently a Series B in February 2026.
About
BreezeBio engineers nanoparticles designed to deliver genetic payloads, including mRNA, to specific cell types in tissues like the heart, lung, and central nervous system. Its proprietary NanoGalaxy® platform targets immune cells and other biologically relevant tissues, with applications in autoimmune diseases and oncology. Its lead program, BRZ-101, aims to restore immune tolerance in type 1 diabetes and is advancing into IND-enabling studies.
The company has raised $128M, including a Series B round in February 2026. Its workforce of 64 is primarily focused on research, with a median tenure of 2 years. Top investors include ACVC, Bow Capital, and DCVC Bio.
Founders and leadership
BreezeBio's largest function is research, with 22 employees dedicated to this area. The company is led by a team with experience in biotechnology and precision medicine, supported by investors like ACVC and DCVC Bio.
The BreezeBio org chart
Kunwoo (Ryan) Lee (Chief Executive Officer & Co-founder) leads 18 mapped leaders with 4 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 31 (0% YoY), Business Development 10 (+11% YoY), Finance 3 (0% YoY).
Talent flow
BreezeBio's employees come from prominent biotech firms like Genentech, Charles River Laboratories, and Gilead Sciences. Alumni have moved to companies such as Guardant Health and DCVC Bio, as well as startups like Haize Labs.
Most common previous employers of BreezeBio staff: Genentech (4), Charles River Laboratories (4), Gilead Sciences (3), Michigan State University (2), University of Massachusetts Amherst (2), Aduro Biotech (2). Former BreezeBio employees most often moved to Shinhan Financial Group Co. (1), Haize Labs (1), WuXi TIDES (1), DCVC Bio (1), Granza Bio (1), Guardant Health (1).
Alumni worth knowing
What this company is made of
Most common skills at BreezeBio: Research Skills (24), Molecular Biology (21), Cell Culture (18), Life Sciences (17), Immunology (17), Biochemistry (16), Cell Biology (14), Polymerase Chain Reaction (PCR) (14).
Where the team actually sits
BreezeBio people are concentrated in California, United States (20), San Francisco Bay Area (16), South Korea (3), United States (2).
Search footprint
BreezeBio attracts about 121 organic search visits a month, traffic worth roughly $0K a month if bought through ads. It gained 18 ranking keywords and lost 13 in the last period.
Frequently asked
BreezeBio has 64 employees as of September 2026.
BreezeBio has raised $128M in total, most recently a Series B round in February 2026.
BreezeBio was founded in 2016 by Kunwoo (Ryan) Lee, Hyo Min Park.
Kunwoo (Ryan) Lee (Chief Executive Officer & Co-founder) sits at the top of BreezeBio's reporting structure, with 4 direct reports.
The most common previous employers of current BreezeBio staff are Genentech (4 people), Charles River Laboratories (4 people), Gilead Sciences (3 people).
Former BreezeBio employees most often move to Shinhan Financial Group Co. (1), Haize Labs (1), WuXi TIDES (1).
BreezeBio attracts about 121 organic search visits a month, worth roughly $0K a month in equivalent ad spend.
The most common skills among BreezeBio staff are Research Skills, Molecular Biology, Cell Culture, Life Sciences, Immunology.
BreezeBio staff are concentrated in California, United States (20), San Francisco Bay Area (16), South Korea (3).
BreezeBio has about 31 people in Research, up 0% over the past year, as of September 2026.
BreezeBio has about 10 people in Business Development, up 11% over the past year, as of September 2026.
Computed from 43 current and 39 former BreezeBio profiles, as of September 2026. Source: Crustdata.
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