2022:
Finalist - Wildcard
https://hackaday.com/2022/10/19/2022-hackaday-prize-congratulations-wildcard-winners/
Otter Force One
https://hackaday.io/project/186901-otter-force-one
https://hackaday.com/2022/09/08/hackaday-prize-2022-otter-force-one-protects-kelp-forests-by-sucking-up-sea-urchins/
Finalist - Planet Friendly Power
https://hackaday.com/2022/05/23/2022-hackaday-prize-congratulations-to-the-planet-friendly-power-finalists/
Kite Propulsion
https://hackaday.io/project/184950-kite-propulsion

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2020, 2021:
Hackaday Prize Dream Team (both years with stipend, competitive selection)
https://hackaday.io/project/173457-2021-hdp-dream-team-eja
https://hackaday.com/2020/07/10/dream-team-members-announced-for-the-2020-hackaday-prize/
https://www.youtube.com/watch?v=gmBSQnfzOiA

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2019 (busy - International Space University), 2018 (busy - entrepreneurship), 2017 (busy - entrepreneurship)

Did not compete

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2016:
Semifinalist - Citizen Scientist
https://hackaday.io/list/12853-hackaday-prize-semifinalists-citizen-scientist
Robot Missions
https://hackaday.io/project/10584-robot-missions
https://hackaday.com/2017/07/18/rovers-to-the-rescue-robot-missions-tackles-trash/

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2015:
Semifinalist
https://hackaday.io/list/7402-2015-hackaday-prize-semifinalists
Quarterfinalist
https://hackaday.io/list/7401-2015-hackaday-prize-quarterfinalists
Rapidly Deployable Automation System
https://hackaday.io/project/6647-rapidly-deployable-automation-system

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2014:
Quarterfinalist
https://hackaday.io/list/2945-2014-hackaday-prize-quarterfinalists
Automatic Food Slicer Robot
https://hackaday.io/project/1393-automatic-food-slicer-robot