Ditto Biosciences
YC W26San Francisco, US Β· Founded 2025 Β· 3 employees Β· 1 known investors
Ditto Bio uses AI to identify protein candidates from parasites and pathogens for treating autoimmune diseases. The company mines natural compounds from viruses, ticks, and worms whose immune-modulating properties have evolved over millions of years.
Founders & leadershipΒ· Y Combinator alumni (W26)
Ditto Biosciences was founded in 2025 by Dennis Sun, Adair Borges, and Emily Weiss.
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Dennis SuninπFounderDennis Sun holds a degree in evolutionary and developmental biology from Harvard and a PhD from UC Berkeley. He previously served as Chief of Staff at a biotech company, where he oversaw software teams, product development, and scientific partnerships.
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Adair BorgesinπCofounderAdair Borges holds a PhD from UCSF and has published extensively in parasitology, virology, and genomics. She is a coinventor on patents for anti-CRISPR proteins, previously served as a Miller Fellow at UC Berkeley, and led a venture creation team at an early-stage biotech company before founding Ditto Biosciences to develop therapeutics for autoimmune disease.
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Emily WeissinπFounderEmily Weiss holds a PhD in microbiology, genomics, and plant genetics with expertise in sequencing, screening, and computational analysis. She previously worked at Illumina and DuPont and has published research in Nature Microbiology and eLife; at Ditto Biosciences, she leads platform development for parasite-derived therapeutic engineering.
Investors Β· 1
Competitors Β· 7
by search overlap
Engage Bio14 shared keywordsEngageBio develops DNA-based medicines using proprietary non-viral delivery technology to achieve extended therapeutic expression from a single dose with low manufacturing complexity.
Bridgebio14 shared keywordsBridgeBio develops treatments for genetic conditions and cancers using a decentralized hub-and-spoke model, where autonomous teams focus on specific diseases or drug candidates while a central hub provides clinical, regulatory, and commercial support. The company partners with academic institutions to advance early-stage research toward late-stage clinical trials.
Actio Biosciences, Inc.13 shared keywordsActio is a precision medicine company that translates genetic insights into new therapeutics, developing drugs that target the genes underlying both rare diseases and more prevalent conditions. It focuses on identifying dysregulated gene activity and designing therapies to restore balance and address the root causes of disease.
Concertobio12 shared keywordsConcerto Bio generates large-scale ecological datasets on microbial communities and uses them to develop microbe-based consumer health products for applications such as skincare, chronic disease, and nutrition. Its approach combines high-throughput experimental data generation with predictive modeling to make microbial communities engineerable.
Twist Bioscience12 shared keywordsTwist Bioscience develops a silicon-based synthetic DNA manufacturing platform that produces high-quality DNA, genes, and NGS reagents for customers in medicine, agriculture, and industrial chemicals. The platform enables faster and more affordable DNA synthesis at scale with customizable high-throughput capabilities.
bio12 shared keywordsThe Biotechnology Innovation Organization (BIO) is an advocacy organization representing biotech companies, industry leaders, and state biotech associations across the United States and more than 35 countries. It provides members with policy advocacy, cost-saving programs, educational webinars, and organizes the BIO International Convention and other industry conferences.
Octant Bio10 shared keywordsOctant is a therapeutics company that develops small molecule drugs to treat protein misfolding diseases. Using synthetic biology, high-throughput chemistry, and AI/ML, the company's Navigator platform studies how target proteins interact within living human cells to enable drug discovery for rare diseases and oncology.
Companies competing with Ditto Biosciences for the same Google search keywords, organic and paid, via search-intersection analysis.
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Frequently asked questions
- What does Ditto Biosciences do?
- Ditto Bio uses AI to identify protein candidates from parasites and pathogens for treating autoimmune diseases. The company mines natural compounds from viruses, ticks, and worms whose immune-modulating properties have evolved over millions of years.
- Who founded Ditto Biosciences?
- Ditto Biosciences was founded by Dennis Sun, Adair Borges, Emily Weiss in 2025.
- Who are Ditto Biosciences's investors?
- Ditto Biosciences's investors include Y Combinator.
- Where is Ditto Biosciences headquartered?
- Ditto Biosciences is headquartered in San Francisco, US.