Tertill
North Billerica, US · Founded 2017 · Delaware corporation · 5 employees on LinkedIn
Find your way into Tertill
644 people in our graph share verified history with the Tertill team — schools, employers, funds. One of them is your warm intro.
Noubar Afeyanunlockedknows Helen Greiner · together at MIT (overlapped)
×4knows the team · via MIT
×2knows the team · via Boston Museum of Science
×2knows the team · via Jet Propulsion Laboratory
×3knows the team · via Worcester Polytechnic Institute
Tertill made a solar-powered weeding robot for home gardens, sold directly to consumers after a 2017 Kickstarter launch. The product has since been discontinued, with only limited accessories still available.
Founders & leadership
Tertill was founded in 2017 by Joseph Jones and Helen Greiner.
JJ
Joseph JonesCo-founder
HG

Helen GreinerinCo-founder · Chief Executive Officer2020–2022Helen Greiner cofounded iRobot Corporation, where she served as Chairman and President for 18 years overseeing development of robotic consumer and military products including Roomba vacuums and bomb-disposal systems. She later founded CyPhy Works, a drone company that was acquired by FLIR, served as a robotics expert in the Pentagon, and was CEO of Tertill Corporation, which developed a solar-powered weeding robot for home gardens.
RM

Rory MacKeaninCo-Founder / CPO2015–2024
Board
MH
Mark HagerBoard director
BA
Bjorn AxlingBoard director
Reported raises · per SEC filings
Form D private placements$5M disclosed across 2 rounds · 2018–2021
▶$4MraisedMay 2021 · 33 investors · Other TechnologyRule 506(b)
▶$4MraisedMay 2021 · 33 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Mark HagerDirector
- Rory MacKeanExecutive Officer, Director
- Joseph JonesExecutive Officer, Director
- Helen GreinerExecutive Officer, Director
- Bjorn AxlingDirector
- Offering amount
- $4.5M
- Amount sold
- $4M
- First sale
- Apr 2021
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$1MraisedApr 2018 · 1 investors · Other TechnologyRule 506(b)
▶$1MraisedApr 2018 · 1 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Rory MacKeanExecutive Officer, Director
- Joseph JonesExecutive Officer, Director
- Offering amount
- $1M
- Amount sold
- $1M
- First sale
- Mar 2018
- Incorporated
- Corporation, Delaware, 2015
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 1
by search overlapCompanies competing with Tertill for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Tertill do?
- Tertill made a solar-powered weeding robot for home gardens, sold directly to consumers after a 2017 Kickstarter launch. The product has since been discontinued, with only limited accessories still available.
- Who founded Tertill?
- Tertill was founded by Joseph Jones, Helen Greiner in 2017.
- How much funding has Tertill raised?
- Tertill has disclosed $5M raised across 2 rounds.
- Where is Tertill headquartered?
- Tertill is headquartered in North Billerica, US.


