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We mine through the terabytes of underutilized genetic sequence data generated by genome projects and look for sequences that are of potential therapeutic value. We then express these gene sequences as their encoded peptides and screen them for their ability to bind therapeutic targets. 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We mine through the terabytes of underutilized genetic sequence data generated by genome projects and look for sequences that are of potential therapeutic value. We then express these gene sequences as their encoded peptides and screen them for their ability to bind therapeutic targets. From there, leading candidates are further optimized for binding and tweaked for maximum effectiveness as pharmaceuticals.","story":"Petri Bio is searching the gut microbiome for novel therapies for diseases that are tough to treat.Why gut microbes? Because we know they can influence a diverse array of health outcomes, we just don’t know how. But we do know they make millions of unstudied chemical compounds that interact with the body.Petri Bio believes the medicines of the future are among these compounds, waiting to be found.To kickstart the future, we are building out a platform to screen microbial compounds for therapeutic effects.We have early leads on novel treatments for two underserved diseases: Inflammatory bowel disease and fatty liver disease.\u0026nbsp;Fatty liver disease has NO pharmaceutical treatment, and existing IBD treatments have very limited effectiveness. People suffering from these diseases deserve more options than what pharma companies have come up with.We’ve gone beyond treating chronic diseases.\u0026nbsp;As part of Wefunder’s “Fight the Virus” challenge, we’ve used our platform to look for compounds that can bind and neutralize the virus that causes COVID-19.Our approach is unique.We are creating molecules called peptides that neutralize the virus without triggering the immune system — which is what a vaccine does. We hope that our solution will be useful in addition to vaccines so that we have a form of attack for those who experience trouble responding to vaccines (in particular, the immunocompromised and the elderly).In just 3 months, we’ve been able to file a patent on these compounds, and have been selected for evaluation for a sponsorship from a major vaccine manufacturer to proceed with its development!Our pipeline has a total addressable market of over $25 billion per year.We are a team of\u0026nbsp;PhD scientists with decades of domain expertise and Y Combinator alumni network.\u0026nbsp;Our team is ready to hit the ground running.Shu is PhD experienced in genetic engineering and molecular farming, a second-time biotech founder and YC alum.Joe is a PhD biologist and published author on how gut microbes influence health and aging.Our advisor John is a YC alum founder and has 7 years of experience as a biotech CEO, and provides invaluable insight navigating early-stage biotech.What's next for COVID-19We want to end this crisis as soon as possible......by whatever vaccine or therapy gets us there the fastest! Thus, we don't see ourselves competing with other treatments for COVID-19.That said,\u0026nbsp;it’s our hope that our offering can be used\u0026nbsp;with\u0026nbsp;an established pharmaceutical company’s product. We have\u0026nbsp;already received some interest from a vaccine manufacturer and we are currently under evaluation for potential sponsorship.What's next for our pipeline of therapeuticsThe Fight the Virus challenge has given us a real-world crash course in the drug development process, from initial design to patenting and seeking pharmaceutical sponsorships, all in a three-month span.With further funding, we have the experience and network now to do it again with IBD and fatty liver disease. We want to develop them as quickly as possible, and partner with pharmaceutical manufacturers to bring them to market.With enough support, we can even further build out the platform and start screening compounds for other underserved diseases, and branch out into other microbe-inspired products.Join our mission!We’re making drugs from an untapped resource of millions of bioactive compounds: the human microbiome. This gives us millions of “shots-on-goal” that traditional pharma companies aren’t making.\u0026nbsp;Invest as little as $100 to be with us on the journey from the very beginning,\u0026nbsp;and let's build a healthier future for everyone!","quick_facts":["We develop therapeutics inspired by the data collected by animal and microbial genome projects.","Positioned to mine 32+ terabytes of genomic data for future drug precursors.","Founded by 2 PhD scientists (3 patents and 14 publications). 2nd-time founder (YCS17).","Patent-pending treatment for COVID-19 under evaluation by a pharma company for sponsorship.","Early pipeline of candidates help treat IBD, which affects 1.6M people and $15B market","Drug precursor for the treatment of NAFLD/NASH (“fatty liver disease”), $7B growing market."]},"computed_metrics":{"total_amount_raised":107683,"total_investors":238,"team_size":3,"featured_investor_count":1,"faq_count":5,"recent_post_count":10},"quick_facts":[{"claim_id":"claim-fact-1","value":"We develop therapeutics inspired by the data collected by animal and microbial genome projects.","citation":"https://wefunder.com/petribioold#claim-fact-1","observed_at":"2026-06-19T05:00:18Z","expires_at":"2026-06-26T05:00:18Z"},{"claim_id":"claim-fact-2","value":"Positioned to mine 32+ terabytes of genomic data for future drug precursors.","citation":"https://wefunder.com/petribioold#claim-fact-2","observed_at":"2026-06-19T05:00:18Z","expires_at":"2026-06-26T05:00:18Z"},{"claim_id":"claim-fact-3","value":"Founded by 2 PhD scientists (3 patents and 14 publications). 2nd-time founder (YCS17).","citation":"https://wefunder.com/petribioold#claim-fact-3","observed_at":"2026-06-19T05:00:18Z","expires_at":"2026-06-26T05:00:18Z"},{"claim_id":"claim-fact-4","value":"Patent-pending treatment for COVID-19 under evaluation by a pharma company for sponsorship.","citation":"https://wefunder.com/petribioold#claim-fact-4","observed_at":"2026-06-19T05:00:18Z","expires_at":"2026-06-26T05:00:18Z"},{"claim_id":"claim-fact-5","value":"Early pipeline of candidates help treat IBD, which affects 1.6M people and $15B market","citation":"https://wefunder.com/petribioold#claim-fact-5","observed_at":"2026-06-19T05:00:18Z","expires_at":"2026-06-26T05:00:18Z"},{"claim_id":"claim-fact-6","value":"Drug precursor for the treatment of NAFLD/NASH (“fatty liver disease”), $7B growing market.","citation":"https://wefunder.com/petribioold#claim-fact-6","observed_at":"2026-06-19T05:00:18Z","expires_at":"2026-06-26T05:00:18Z"}],"latest_fundraise":{"id":36226,"entity_id":"wefunder:fundraise:36226","state":"successful","offering_type":"4(a)(6)","structure":"safe","testing_the_waters":false,"can_invest_now":false,"funding_started_at":"2020-07-25T01:29:20Z","funding_closed_at":"2020-12-01T05:02:11Z"},"investor_memos":[],"team":[{"id":889632,"entity_id":"wefunder:company_role:889632","name":"Shu Li","title":"Co-Founder","role":"founder","profile_url":"https://wefunder.com/shuli"},{"id":893721,"entity_id":"wefunder:company_role:893721","name":"Joseph Schinaman","title":"Co-Founder","role":"founder","profile_url":"https://wefunder.com/josephschinaman"},{"id":3867368,"entity_id":"wefunder:company_role:3867368","name":"Sydney Santiago","title":"Marketing","role":"employee","profile_url":"https://wefunder.com/sydney.santiago"}],"featured_investors":[{"id":5051,"entity_id":"wefunder:company_investor_profile:5051","name":"John Waldeisen","bio":"Founder \u0026amp; 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Thanks for reaching out. Yes I can confirm for the first 100k early-bird investments, the cap is 4M. Please feel free to send email to shu@petribio.com if you have more questions!​"},{"question":"And is there a discount rate attached to the standard terms?","answer":"Hi Francis, there's no discount rate to the standard terms, but the early bird term has a lower cap value (4M). Also, for investors we know or put in above a certain threshold, we can potentially negotiate or even waive the fee. In addition, investing with IRA is also an option. If you want to know more, feel free to send an email to me!"},{"question":"Hi, What's the goal 6 months from now? Who am I investing in when I invest in Shu Li?","answer":"6 months from now we will get more lab-based proof of concepts to show the effectiveness of peptides. For each peptide proved to be useful for an application (therapeutic function, metabolism regulation, etc), we will file a patent to protect the intellectual properties as well. I truly appreciate everyone that interested in our project and want to know more about us. Please feel free to send me an email at shu@petribio.com, and I'd love to schedule a zoom meeting to let you know more about o..."},{"question":"IS the 32+ terabytes of genomic data proprietary? or is the advantage you have is that you've found a better way to mine it?","answer":"Hey Glen, great question. The 32 Tb of data is from the Human Microbiome Project, it was generated with public funding and is publicly available. We get the benefit of mining it without having to reinvent the wheel in terms of massive data collection. Our edge is in how we analyze this data for potentially useful gene sequences, expressing them for the first time in a laboratory setting, testing them, and developing IP around specific use cases for them. Hope this helps! -Joe"},{"question":"You answered other questions, are you avoiding mine?","answer":"Hi Leonardo, we are so sorry for missing your question. For some reason we just can't see it on our end. I apologize for the inconvenience. Would you mind re-posting your question here? Happy to answer it!"}],"recent_posts":[{"id":139846,"entity_id":"wefunder:feed_item:139846","title":"Happy New Year!","preview":"Dear all,As we start a new year, we would like to thank you for your continued support. 2020 was a unique year, and we are so grateful to have you all in the journey!💗In 2021, we hope to keep updating you with our progress and good news. Sincerely wish you all a healthy, happy, wonderful new year! 🎉🎁🎈Best wishes,Petri Bio Team\u0026nbsp;","published_at":"2021-01-01T22:12:11Z","canonical_url":"https://wefunder.com/feed/139846"},{"id":139443,"entity_id":"wefunder:feed_item:139443","title":"Thank you! Thank you! Thank you!","preview":"126 days, 247 investors, $115,340 investment, we just successfully closed our campaign last night\u0026nbsp;with all your support!Fundraising during a global pandemic is not the easiest thing, but with the Wefunder platform and your support, we made it happen. Every time we communicate through updates, comments, and Q\u0026A, we can feel the passion and excitement from you all, which is our continued source of motivation. We are so grateful for it!💗The 2020 campaign has ended, but our journey has just ...","published_at":"2020-12-01T19:05:03Z","canonical_url":"https://wefunder.com/feed/139443"},{"id":139348,"entity_id":"wefunder:feed_item:139348","title":"3 hours left to join!","preview":"Hi Investors and Followers,Our campaign is closing in less than 3 hours! It's the perfect time for you to reconfirm or\u0026nbsp;increase the amount of investment. If you have been following our campaign but still haven't invested yet, this is the best chance!\u0026nbsp;As always, thank you so much for your support!\u0026nbsp;Cheers,Petri Bio Team","published_at":"2020-12-01T02:12:42Z","canonical_url":"https://wefunder.com/feed/139348"},{"id":139347,"entity_id":"wefunder:feed_item:139347","title":"2 Days Left!","preview":"Dear Investors and Followers,Hope you all had a great time celebrating Thanksgiving! 🍗🥧🍷Our campaign will officially END IN 2 DAYS! There’s still time to reconfirm your investment if you haven’t done so, and we would really appreciate it if you could help us spread the word!💻📞📲For those of you who have been following our updates, you must know that increasing technology defensibility (patents) is always an important part of our work. Now I’m glad to let you know that we will be partnering wit...","published_at":"2020-11-28T22:26:36Z","canonical_url":"https://wefunder.com/feed/139347"},{"id":139248,"entity_id":"wefunder:feed_item:139248","title":"Happy Thanksgiving!","preview":"Dear Investors and Followers,This Thanksgiving, there are many people to whom we want to show our gratitude 💌:First of all, we especially want to say “thank you” to all of our backers and followers. We are so grateful for your continued support and encouragement!We also want to say thanks to our team at the Startup Legal Garage and Morrison Foerster. Through the Startup Legal Garage program, we received 250 hours of pro bono IP work, which has been a huge boost to help us prepare for our next...","published_at":"2020-11-23T23:21:38Z","canonical_url":"https://wefunder.com/feed/139248"},{"id":138973,"entity_id":"wefunder:feed_item:138973","title":"Almost $100k!","preview":"Dear Investors and Followers, With your help, we are getting so close to $100k! 🎉🎉🎉Please help us spread the word just by clicking the Facebook and Twitter buttons on our campaign page, and you can make a HUGE difference with just two clicks!We really appreciate you taking time to reconfirm your investment with updated form-C. If you missed the email, don’t worry, just simply log into your Wefunder account, you should see something like this:If you click the banner, you should be able to reco...","published_at":"2020-11-13T22:32:14Z","canonical_url":"https://wefunder.com/feed/138973"},{"id":138862,"entity_id":"wefunder:feed_item:138862","title":"Latest Update!","preview":"Dear Investors and Followers,Since our last update, we have been working hard in the lab, and building collaborations that will help us take our results beyond the lab as quickly as possible. In order to reach a larger audience for feedback, we also made a short video that describes our technology: And as a heads up, every backer will be getting an email from Wefunder this week, to update the Form C with the 2019 finance review. This update is a requirement in order for us to close the campai...","published_at":"2020-11-10T19:50:44Z","canonical_url":"https://wefunder.com/feed/138862"},{"id":136942,"entity_id":"wefunder:feed_item:136942","title":"Petri Bio just converted to a Delaware C-corp!","preview":"Dear Investors,In the past a couple of weeks, besides focusing on building the technology in the lab, we also made the decision to convert our company from LLC to a C-corp. You will receive an email from Wefunder soon notifying the conversion, and you would be requested to provide your signature for approval. By signing the new contract, your invested “units” will be exchanged for future “shares”, which creates a simple, transparent corporate structure, and increases our chances to raise capi...","published_at":"2020-09-15T17:19:02Z","canonical_url":"https://wefunder.com/feed/136942"},{"id":136921,"entity_id":"wefunder:feed_item:136921","title":"Petri Bio is selected for the Fall 2020 Cohort of UC Hastings Startup Legal Garage!","preview":"Intellectual property is one of the key assets for biotech companies. In today’s competitive environment, owning IP can not only protect the technology we are working on, but also create a unique selling proposition of the product. At Petri, we put a lot of thoughts and efforts to strengthen our defensibility and explore new opportunities to patent our technology. Recently, we were selected for the fall 2020 cohort of The Startup Legal Garage, an innovative program founded by UC Hastings Law ...","published_at":"2020-08-25T19:18:17Z","canonical_url":"https://wefunder.com/feed/136921"},{"id":136792,"entity_id":"wefunder:feed_item:136792","title":"We’ve achieved our first fundraising milestone!","preview":"Yes! We’ve raised $50k and met our minimum goal of fundraising! This is a big shout-out to all of our supporters: Thank you so much for your support and valuable feedback. We couldn’t have made it this far without you! 2020 has been a fairly challenging year for the world. However, many successful companies were built during hard times. This list can go from younger companies like Airbnb and Uber, to some of the best known ones such as Microsoft and General Motors. Looking at the history of b...","published_at":"2020-08-18T19:34:31Z","canonical_url":"https://wefunder.com/feed/136792"}],"provenance":{"source":"wefunder_public_company_profile","as_of":"2026-06-20T04:53:34Z","claims":{"total_amount_raised":{"source":"FrontCompanySummary#amount_raised","last_verified_at":"2026-06-19T05:00:18Z","as_of":"2026-06-20T04:53:34Z","confidence":"high"},"total_investors":{"source":"FrontCompanySummary#number_of_investors","last_verified_at":"2026-06-19T05:00:18Z","as_of":"2026-06-20T04:53:34Z","confidence":"high"},"active_raise_states":{"source":"Fundraise.visible(nil, nil)","last_verified_at":"2025-11-24T16:52:05Z","as_of":"2026-06-20T04:53:34Z","confidence":"high"},"latest_fundraise_state":{"source":"Fundraise.visible(nil, nil).order(funding_started_at)","last_verified_at":"2025-11-24T16:52:05Z","as_of":"2026-06-20T04:53:34Z","confidence":"medium"}}}}}}