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Bear Flag Robotics
acquired by John DeereYC W18YC Top CompanyNew York City, US · 10 employees · 20 known investors
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Bear Flag Robotics developed autonomous technology for farming before being acquired by John Deere in 2021.
Also known as Bear Flag
Founders & leadership· Y Combinator alumni (W18)
Investors · 20
How we know: a partner's Signal profile · research · therobotreport.com · Y Combinator's founder network · Not right? Tell us
How we know: Expansion Venture Capital's portfolio page · open dataset · 5k.vc investor directory · Y Combinator's founder network · Not right? Tell us
How we know: funding news · the VCSheet dataset · research · therobotreport.com · open dataset · 5k.vc investor directory · Y Combinator's founder network · Not right? Tell us
How we know: Green Cow Venture Capital's portfolio page · open dataset · 5k.vc investor directory · Y Combinator's founder network · Not right? Tell us
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How we know: True Ventures's portfolio page · funding news · prnewswire.com · research · therobotreport.com · open dataset · 5k.vc investor directory · Y Combinator's founder network · Not right? Tell us
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How we know: the VCSheet dataset · Y Combinator's founder network · Not right? Tell us
How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: the VCSheet dataset · Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
Also in the syndicate · 2
Funding
SEC filings, press & company announcements- Undisclosed amountSeed Extension RoundJan 2021
True Ventures (lead)
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
The YC application· Winter 2018 batch
Company profile
researched Aug 2026Bear Flag Robotics was a Silicon Valley-based agricultural technology company that developed autonomous driving technology for farm tractors. Rather than building new machines, it retrofitted an autonomy stack onto existing tractors and implements, allowing growers to automate and optimize routine field tasks such as spraying and mowing between orchard rows. The stated mission was to increase global food production while reducing the cost of growing food through machine automation, addressing farm labor scarcity and safety risks associated with tractor operation.
The system combined cameras, LiDAR and radar to provide redundant, 360-degree situational awareness in the field, with RTK GPS-based positioning and sensor fusion. While tractors operated autonomously, human supervisors used Bear Flag software to monitor and command the fleet from a remote mission control room or a personal device. The software planned optimal field patterns based on a grower's implements and produced predictive and post-run analytics intended to help growers improve operations across seasons.
Bear Flag Robotics was founded in 2017 by Igino Cafiero (co-founder and CEO) and Aubrey Donnellan, and participated in Y Combinator's Winter 2018 batch. Its team combined agriculture professionals, engineers and technologists working on autonomy, sensor fusion, vision, data, software and hardware, with a portion of staff drawn from Carnegie Mellon University robotics programs. Deere & Company announced a definitive agreement to acquire the company for $250 million on August 5, 2021.
Founding story
The company was founded in 2017 by Igino Cafiero and Aubrey Donnellan around the premise that machine-operating labor represents a large share of growers' operating costs and that repetitive, monotonous tractor work in inclement conditions is well suited to automation. The founders presented Bear Flag at Y Combinator's Winter 2018 Demo Day.
Business model
Bear Flag provided the technology, services and support to enable autonomous tractor operations for growers. Tractors could be purchased outright or rented under a robotics-as-a-service (RaaS) agreement priced per acre, paired with fleet monitoring and analytics software.
Sales of autonomy-equipped tractors and a robotics-as-a-service arrangement charging growers on a per-acre basis, alongside supporting software for fleet command and analytics.
Traction
By the 2021 acquisition announcement, Bear Flag had deployed its autonomous solution on a limited number of farms in the United States and was working with large produce and commodity growers in California and Arizona. It had raised $12.5 million in total funding and had a team of about 10 people.
Latest developments
Following the August 2021 acquisition, Bear Flag became part of John Deere, with its site pointing visitors to Deere announcements including John Deere's fully autonomous tractor reveal at CES 2022 and new autonomous machines and technology shown at CES 2025. Career inquiries are routed to John Deere.
▸Full profile — market position, technology, go-to-market, geography, history, risks & controversies
Market position
One of several companies pursuing autonomous agricultural machinery; press coverage identified Case IH and John Deere (which had acquired Blue River Technology in 2017 for $305 million) as notable competitors. Bear Flag positioned itself as aiming to bring a fully autonomous tractor to market, noting that no equipment OEM had released one at the time of its 2018 Y Combinator pitch.
Retrofitting autonomy onto tractors and implements growers already owned, combined with redundant multi-sensor perception, remote fleet supervision software, per-acre RaaS pricing, and a direct relationship with large California and Arizona growers.
Technology
An autonomy stack retrofitted onto existing tractors, using cameras, LiDAR and radar for redundant 360-degree situational awareness, sensor fusion, and RTK GPS for precise positioning. Remote software allows human supervisors to monitor and command a fleet, plan optimal field patterns based on the grower's implements, and review predictive and post-run analytics.
Go-to-market
A direct-to-grower sales model in which the company partnered closely with customers to maintain quality standards while iterating on software capabilities. It also worked with John Deere from 2019 through Deere's Startup Collaborator program and deployed its autonomous solution on a limited number of U.S. farms.
Commercial row-crop, produce and commodity growers, including operators of orchards where tractors are used for spraying and mowing between rows; at the time of its 2021 funding round the company said it worked with the largest produce and commodity growers in California and Arizona.
Geography
Headquartered in Silicon Valley, California (the January 2021 funding announcement was issued from Newark, California), with customer deployments on farms in California and Arizona; Y Combinator lists the company's location as New York City, NY. After the acquisition the team remained in Silicon Valley.
History
Founded in 2017, Bear Flag Robotics went through Y Combinator's Winter 2018 batch and raised a $4.6 million seed round around 2019. Deere & Company began collaborating with the company in 2019 through its Startup Collaborator program. In January 2021 Bear Flag announced a $7.9 million seed extension led by True Ventures, bringing total funding to $12.5 million. On August 5, 2021, Deere announced a definitive agreement to acquire the company for $250 million, and the Bear Flag website now directs visitors to John Deere.
Risks & controversies
Deere's announcement included a safe harbor statement citing risks that expected benefits of the acquisition may not be realized or may not be realized within the expected time period, that the businesses may not integrate successfully, significant transaction costs, and unknown or understated liabilities. Press coverage also noted the competitive field of autonomous tractor developers.
Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Related companies · 7
Companies working in the same space as Bear Flag Robotics.
Timeline · 4
launches, deals, and filingsDeere & Company (NYSE: DE) signed a definitive agreement to acquire Bear Flag Robotics for $250 million USD. The team was to remain in Silicon Valley and work with Deere on automation and autonomy; the company's website now redirects visitors to John Deere.
$250M source ↗
Seed extension round led by True Ventures with participation from Graphene Ventures, AgFunder, D20 and Green Cow VC, bringing total raised to $12.5 million.
$7.9M source ↗
Deere began working with Bear Flag Robotics in 2019 through its Startup Collaborator program, an initiative for startups whose technology could add value for Deere customers.
Bear Flag Robotics took part in Y Combinator's Winter 2018 batch and presented at the winter Demo Day.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
Legal entities · 1
corporate structureIn the news
▸Research sources · 8
primary sources listed
- Bear Flag Roboticsbearflagrobotics.com · web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Bear Flag Robotics do?
- Bear Flag Robotics built retrofit autonomous driving technology for farm tractors; John Deere acquired it in 2021 for $250M.
- Who founded Bear Flag Robotics?
- Bear Flag Robotics was founded by Igino Cafiero, Aubrey Donnellan.
- Who are Bear Flag Robotics's investors?
- Bear Flag Robotics's investors include AgFunder, Expansion Venture Capital, Graphene Ventures, Green Cow Venture Capital, Industrious Ventures, Liquid Ventures, Nextwave [X] Partners, Trucks VC and 10 more.
- Who acquired Bear Flag Robotics?
- Bear Flag Robotics was acquired by John Deere.
- Where is Bear Flag Robotics headquartered?
- Bear Flag Robotics is headquartered in New York City, US.