| Katja Grace |
|
2015-04-06 |
2022-08-13 |
AGI organization |
strategy |
|
[1], [2], [3] |
All five supplied snapshots (April and August 2015; March, April and May 2016) explicitly state that AIimpacts.org is written and maintained by Katja Grace and Paul Christiano. Formal title, joining date and employment type are unspecified. Start date records earliest supplied observation, not an exact joining date. June and July 2017 continue to describe writing and maintenance; October 2017 says Katja runs AI Impacts. No formal title is specified. Last supplied description without a formal title is August 13, 2022. Lead Researcher is first explicitly stated November 23, 2022. End date marks the last observation of the earlier description; the actual title transition is unspecified. |
| Paul Christiano |
|
2015-04-06 |
2016-05-01 |
AGI organization |
strategy |
|
[1], [4], [5], [6] |
All five supplied snapshots (April and August 2015; March, April and May 2016) explicitly state that AIimpacts.org is written and maintained by Katja Grace and Paul Christiano. Formal title, joining date and employment type are unspecified. Start date records earliest supplied observation, not an exact joining date. Last listed actively May 1, 2016; absent from the June 18, 2017 active description, and explicitly listed as a past contributor October 26, 2017. |
| John Salvatier |
|
2017-06-18 |
2017-07-18 |
AGI organization |
strategy |
|
[5], [7], [6] |
June and July 2017 state that the website is largely written and maintained by Katja Grace and John Salvatier. Listed as a past contributor October 26, 2017. Dates record first and last observed active presence; formal title and employment type unspecified. |
| Michael Wulfsohn |
|
2017-10-26 |
2021-12-07 |
AGI organization |
strategy |
|
[6], [8], [9] |
First listed in AI Impacts contributors October 26, 2017. The preceding July 2017 page names only its main writers and maintainers, so it does not establish this contributor was absent. Actual start and formal title unspecified. Employment type unspecified. Last observed as an active contributor December 7, 2021; explicitly listed under Past contributors March 12, 2022 and throughout the supplied later 2022 snapshots. End date records last observed active presence, not an exact departure date. |
| Finan Adamson |
|
2017-10-26 |
2019-01-01 |
AGI organization |
strategy |
|
[6], [10], [11] |
First listed in AI Impacts contributors October 26, 2017. The preceding July 2017 page names only its main writers and maintainers, so it does not establish this contributor was absent. Actual start and formal title unspecified. Employment type unspecified. Last listed as an active contributor January 1, 2019; explicitly moved to Past contributors by July 5, 2019. End date records last observed active presence. |
| Connor Flexman |
|
2017-10-26 |
2019-01-01 |
AGI organization |
strategy |
|
[6], [10], [11] |
First listed in AI Impacts contributors October 26, 2017. The preceding July 2017 page names only its main writers and maintainers, so it does not establish this contributor was absent. Actual start and formal title unspecified. Employment type unspecified. Last listed as an active contributor January 1, 2019; explicitly moved to Past contributors by July 5, 2019. End date records last observed active presence. |
| Justis Mills |
|
2017-10-26 |
2024-04-05 |
AGI organization |
strategy |
|
[6], [12], [13] |
First listed in AI Impacts contributors October 26, 2017. The preceding July 2017 page names only its main writers and maintainers, so it does not establish this contributor was absent. Actual start and formal title unspecified. Employment type unspecified. Listed under Support in all supplied 2022 snapshots; this section heading does not specify a formal title. Last observed as an active contributor April 5, 2024; explicitly moved to Past contributors May 3, 2024 and remains there in all supplied later 2024 snapshots. End date records last observed active presence, not an exact departure date. |
| Jimmy Rintjema |
Support |
2017-10-26 |
|
AGI organization |
strategy |
contractor |
[6], [14], [15], [16] |
First listed in AI Impacts contributors October 26, 2017. The preceding July 2017 page names only its main writers and maintainers, so it does not establish this contributor was absent. Actual start and formal title unspecified. Biography explicitly identifies him as a freelance contractor providing support. Listed under Support in all supplied 2022 snapshots; this section heading does not specify a formal title. September 15 and November 2, 2026 explicitly label his role Support; earlier biographies already describe the same support function. This is treated as clarification of the continuing role rather than evidence of a job change. |
| Ben Hoffman |
|
|
|
AGI organization |
strategy |
|
[6] |
Explicitly listed under Past contributors October 26, 2017. Historical contribution; role, dates and employment type unspecified. |
| Stephanie Zolayvar |
|
|
|
AGI organization |
strategy |
|
[6] |
Explicitly listed under Past contributors October 26, 2017. Historical contribution; role, dates and employment type unspecified. |
| Tegan McCaslin |
|
2018-04-17 |
2019-01-01 |
AGI organization |
strategy |
|
[17], [10], [11] |
First listed among AI Impacts contributors April 17, 2018; absent March 24, 2018. Biography describes investigating properties of the brain relevant to AI, without a formal title or employment type. Remains listed in all supplied later 2018 snapshots. Last listed as an active contributor January 1, 2019; explicitly moved to Past contributors by July 5, 2019. End date records last observed active presence. |
| Rick Korzekwa |
Researcher |
2019-07-05 |
2022-08-13 |
AGI organization |
strategy |
|
[11], [2], [3] |
First observed July 5, 2019. The March 2022 biography confirms he has been with AI Impacts since 2019, and the November 23, 2022 biography retrospectively states he started as a researcher in 2019. Last observed before the Director title August 13, 2022. End date records last observation of the earlier role, not the exact promotion date. Employment type unspecified. |
| Daniel Kokotajlo |
|
2019-07-05 |
2021-12-07 |
AGI organization |
strategy |
|
[11], [8], [9] |
First listed among active contributors July 5, 2019; absent January 1, 2019. Actual joining date, formal title and employment type unspecified. Remains listed September 17 and November 14, 2019. Biography describes investigating the Agent AI versus Tool AI debate. April, May and August 2020 biographies describe experimenting with simulations as tools for modelling intelligence explosions; no formal title change is stated. Last observed as an active contributor December 7, 2021; explicitly listed under Past contributors March 12, 2022 and throughout the supplied later 2022 snapshots. End date records last observed active presence, not an exact departure date. |
| Asya Bergal |
|
2019-07-05 |
2021-12-07 |
AGI organization |
strategy |
|
[11], [8], [9] |
First listed among active contributors July 5, 2019; absent January 1, 2019. Actual joining date, formal title and employment type unspecified. Remains listed September 17 and November 14, 2019. Last observed as an active contributor December 7, 2021; explicitly listed under Past contributors March 12, 2022 and throughout the supplied later 2022 snapshots. End date records last observed active presence, not an exact departure date. |
| Ronja Lutz |
|
|
|
AGI organization |
strategy |
|
[11] |
First appears under Past contributors July 5, 2019 and remains there in September and November. Historical contribution; role, dates and employment type unspecified. |
| Ronny Fernandez |
|
|
|
AGI organization |
strategy |
|
[18], [8] |
First appears under Past contributors October 27, 2021; still listed December 7, 2021. Historical contribution; role, dates and employment type unspecified. Appearance on the past-contributors list does not establish a joining or departure date. |
| Katja Grace |
Co-Founder |
|
|
AGI organization |
strategy |
|
[3], [19], [20] |
November 23 and December 8, 2022 explicitly state that Katja founded AI Impacts. Historical founding affiliation; the supplied evidence does not specify a founding date. Separate from her operational roles. From March 14, 2023 the biography clarifies that she co-founded AI Impacts; this refines the same historical affiliation rather than creating a new role. |
| Katja Grace |
Lead Researcher |
2022-11-23 |
|
AGI organization |
strategy |
|
[3], [16] |
Title first explicitly stated November 23, 2022 and confirmed December 8, 2022; August 13, 2022 only says she runs AI Impacts. Start records first title observation, not an exact appointment date. Employment type unspecified. |
| Rick Korzekwa |
Director |
2022-11-23 |
2026-02-13 |
AGI organization |
strategy |
|
[3], [21], [22] |
Director first explicitly stated November 23, 2022 and confirmed December 8, 2022. He splits his time between running the organization and research. August 13, 2022 does not state the Director title. Start records first title observation, not an exact promotion date. Employment type unspecified. Last observed actively February 13, 2026; explicitly listed under Past contributors March 11, 2026 and in all supplied later 2026 snapshots. End date records last observed active presence, not an exact departure date. |
| Elizabeth Santos |
Operations Lead |
2022-12-08 |
2023-10-31 |
AGI organization |
strategy |
|
[23], [24], [20] |
First listed December 8, 2022; absent November 23, 2022. Biography explicitly identifies her as Operations Lead and says she also does some research. Start records first observed presence, not an exact joining date. Employment type unspecified. Last listed October 31, 2023; absent from the December 5, 2023 contributor lists. End date records last observed active presence, not an exact departure date. |
| Zach Stein-Perlman |
|
2022-12-08 |
2024-04-05 |
AGI organization |
strategy |
|
[23], [12], [13] |
First listed December 8, 2022; absent November 23, 2022. Listed under Research; biography describes research interests but does not specify a formal title. Start records first observed presence, not an exact joining date. Employment type unspecified. Last observed as an active contributor April 5, 2024; explicitly moved to Past contributors May 3, 2024 and remains there in all supplied later 2024 snapshots. End date records last observed active presence, not an exact departure date. |
| Aysja Johnson |
Research Analyst |
2022-12-08 |
2023-04-02 |
AGI organization |
strategy |
|
[23], [25], [26] |
First listed December 8, 2022; absent November 23, 2022. Biography explicitly identifies her as a research analyst. Start records first observed presence, not an exact joining date. Employment type unspecified. Last listed actively April 2, 2023; explicitly listed under Past contributors May 6, 2023 and in all supplied later 2023 snapshots. End date records last observed active presence, not an exact departure date. |
| Harlan Stewart |
Research Assistant |
2022-12-08 |
2024-04-05 |
AGI organization |
strategy |
|
[23], [12], [13] |
First listed December 8, 2022; absent November 23, 2022. Biography explicitly identifies him as a research assistant. Start records first observed presence, not an exact joining date. Employment type unspecified. Last observed as an active contributor April 5, 2024; explicitly moved to Past contributors May 3, 2024 and remains there in all supplied later 2024 snapshots. End date records last observed active presence, not an exact departure date. |
| Jeffrey Heninger |
Research Analyst |
2023-05-06 |
2026-02-13 |
AGI organization |
strategy |
|
[26], [21], [22] |
First listed May 6, 2023; absent April 2, 2023. Biography explicitly identifies him as a research analyst. Remains listed September 30, October 31 and December 5, 2023. Start records first observed presence, not an exact joining date. Employment type unspecified. Last observed actively February 13, 2026; explicitly listed under Past contributors March 11, 2026 and in all supplied later 2026 snapshots. End date records last observed active presence, not an exact departure date. |
| Caitlin Elizondo |
Support |
2026-09-15 |
|
AGI organization |
strategy |
|
[15], [16] |
First listed September 15, 2026 with the explicit role label Support; absent May 1, 2026. Still listed November 2, 2026. Start records first observed presence, not an exact joining date. Employment type unspecified. |