{ "as_of": "2026-10-08", "cohort": { "people": 1929, "person_company_pairs": 1997, "companies": 107, "baseline_positive": 75, "secondary_positive": 80, "no_evidence": 1849, "program_participants": 12, "program_mentors": 65, "mats_mentors": 64, "secondary_program_people": 75, "bluedot_course_relationships": 2, "bluedot_course_designers": 1, "personal_grantees": 19, "named_institutional_researchers": 4, "named_research_funding_positive": 84 }, "matrices": { "strict_hiring": { "title": "Attributed hiring", "description": "Direct recruitment and job-offer attribution, classified using records observed by the study date.", "cells": [ 0, 0, 0, 1 ], "total": 1, "row_percentages": [ [ null, null ], [ 0.0, 100.0 ] ], "column_percentages": [ [ null, 0.0 ], [ null, 100.0 ] ], "pair_ids": [ "hiring:google:ray-kurzweil:larry-page:2012" ], "marker": "secondary_marker" }, "workplace_supervision": { "title": "Documented workplace supervision", "description": "Primary company announcements or direct personal statements explicitly identifying reporting lines or membership of a named leader’s team; includes later internal appointments.", "cells": [ 0, 2, 1, 6 ], "total": 9, "row_percentages": [ [ 0.0, 100.0 ], [ 14.285714285714286, 85.71428571428571 ] ], "column_percentages": [ [ 0.0, 25.0 ], [ 100.0, 75.0 ] ], "pair_ids": [ "root:fidji-simo:sam-altman", "root:karen-simonyan:mustafa-suleyman", "manager:google:jeff-dean:sundar-pichai:2023-04-20", "manager:microsoft:mustafa-suleyman:satya-nadella:2024-03-19", "manager:deepmind:koray-kavukcuoglu:sundar-pichai:2026-08-05", "reviewed-manager:1", "reviewed-manager:2", "reviewed-manager:3", "audit:misha-bilenko:mustafa-suleyman:2024-03-19" ], "marker": "secondary_marker" }, "supervisor_or_recruitment_proxy": { "title": "Supervision or recruitment sample", "description": "Union of directly attributed hiring, primary-source workplace supervision and explicit recruitment involvement. Each sourced pair retained once. Secondary-source reported supervision appears in a separate sensitivity.", "cells": [ 1, 2, 1, 7 ], "total": 11, "row_percentages": [ [ 33.333333333333336, 66.66666666666667 ], [ 12.5, 87.5 ] ], "column_percentages": [ [ 50.0, 22.22222222222222 ], [ 50.0, 77.77777777777777 ] ], "pair_ids": [ "root:fidji-simo:sam-altman", "root:karen-simonyan:mustafa-suleyman", "root:jacob-coxon:ethan-perez", "manager:google:jeff-dean:sundar-pichai:2023-04-20", "manager:microsoft:mustafa-suleyman:satya-nadella:2024-03-19", "manager:deepmind:koray-kavukcuoglu:sundar-pichai:2026-08-05", "hiring:google:ray-kurzweil:larry-page:2012", "reviewed-manager:1", "reviewed-manager:2", "reviewed-manager:3", "audit:misha-bilenko:mustafa-suleyman:2024-03-19" ], "marker": "secondary_marker" }, "source_reported_supervision_sensitivity": { "title": "Including source-reported supervision", "description": "Adds explicit reporting relationships attributed to sources by reputable secondary reporting. Primary company/direct-statement cases remain separately counted.", "cells": [ 1, 2, 1, 9 ], "total": 13, "row_percentages": [ [ 33.333333333333336, 66.66666666666667 ], [ 10.0, 90.0 ] ], "column_percentages": [ [ 50.0, 18.181818181818183 ], [ 50.0, 81.81818181818181 ] ], "pair_ids": [ "root:fidji-simo:sam-altman", "root:karen-simonyan:mustafa-suleyman", "root:jacob-coxon:ethan-perez", "manager:google:jeff-dean:sundar-pichai:2023-04-20", "manager:microsoft:mustafa-suleyman:satya-nadella:2024-03-19", "manager:deepmind:koray-kavukcuoglu:sundar-pichai:2026-08-05", "hiring:google:ray-kurzweil:larry-page:2012", "reviewed-manager:1", "reviewed-manager:2", "reviewed-manager:3", "audit:misha-bilenko:mustafa-suleyman:2024-03-19", "audit:jan-leike:jared-kaplan:2024-05-28", "audit:holden-karnofsky:jared-kaplan:2025-02-13" ], "marker": "secondary_marker" }, "baseline_supervisor_or_recruitment_proxy": { "title": "Holoscope baseline markers", "description": "Same pair sample, using only Holoscope MATS roles and personal funding records.", "cells": [ 1, 2, 1, 7 ], "total": 11, "row_percentages": [ [ 33.333333333333336, 66.66666666666667 ], [ 12.5, 87.5 ] ], "column_percentages": [ [ 50.0, 22.22222222222222 ], [ 50.0, 77.77777777777777 ] ], "pair_ids": [ "root:fidji-simo:sam-altman", "root:karen-simonyan:mustafa-suleyman", "root:jacob-coxon:ethan-perez", "manager:google:jeff-dean:sundar-pichai:2023-04-20", "manager:microsoft:mustafa-suleyman:satya-nadella:2024-03-19", "manager:deepmind:koray-kavukcuoglu:sundar-pichai:2026-08-05", "hiring:google:ray-kurzweil:larry-page:2012", "reviewed-manager:1", "reviewed-manager:2", "reviewed-manager:3", "audit:misha-bilenko:mustafa-suleyman:2024-03-19" ], "marker": "baseline_marker" }, "alumni_only_supervisor_or_recruitment_proxy": { "title": "Participants and personal recipients", "description": "Listed mentor roles alone do not count. Alumni/participant or personal funding record qualifies.", "cells": [ 0, 0, 2, 9 ], "total": 11, "row_percentages": [ [ null, null ], [ 18.181818181818183, 81.81818181818181 ] ], "column_percentages": [ [ 0.0, 0.0 ], [ 100.0, 100.0 ] ], "pair_ids": [ "root:fidji-simo:sam-altman", "root:karen-simonyan:mustafa-suleyman", "root:jacob-coxon:ethan-perez", "manager:google:jeff-dean:sundar-pichai:2023-04-20", "manager:microsoft:mustafa-suleyman:satya-nadella:2024-03-19", "manager:deepmind:koray-kavukcuoglu:sundar-pichai:2026-08-05", "hiring:google:ray-kurzweil:larry-page:2012", "reviewed-manager:1", "reviewed-manager:2", "reviewed-manager:3", "audit:misha-bilenko:mustafa-suleyman:2024-03-19" ], "marker": "participant_or_grant_marker" }, "named_research_funding_supervisor_or_recruitment_proxy": { "title": "Named research funding sensitivity", "description": "Also includes grants made to institutions explicitly for a named researcher. Employer-wide funding remains excluded.", "cells": [ 1, 2, 1, 7 ], "total": 11, "row_percentages": [ [ 33.333333333333336, 66.66666666666667 ], [ 12.5, 87.5 ] ], "column_percentages": [ [ 50.0, 22.22222222222222 ], [ 50.0, 77.77777777777777 ] ], "pair_ids": [ "root:fidji-simo:sam-altman", "root:karen-simonyan:mustafa-suleyman", "root:jacob-coxon:ethan-perez", "manager:google:jeff-dean:sundar-pichai:2023-04-20", "manager:microsoft:mustafa-suleyman:satya-nadella:2024-03-19", "manager:deepmind:koray-kavukcuoglu:sundar-pichai:2026-08-05", "hiring:google:ray-kurzweil:larry-page:2012", "reviewed-manager:1", "reviewed-manager:2", "reviewed-manager:3", "audit:misha-bilenko:mustafa-suleyman:2024-03-19" ], "marker": "named_research_funding_marker" } }, "coverage": { "unique_people_with_counted_pair": 11, "people_without_counted_pair": 1918, "people_with_primary_or_secondary_reported_pair": 13, "people_without_primary_or_secondary_reported_pair": 1916, "pair_coverage_percent": 0.5702436495593571, "reviewed_relationship_leads": 22, "included_relationship_pairs": 11, "workplace_supervision_pairs": 9, "attributed_hiring_pairs": 1, "recruitment_involvement_only_pairs": 1, "program_text_records_checked_per_person": 285, "grant_register_records_checked_per_person": 6926, "public_programs_checked": [ "MATS", "BlueDot", "ARENA", "SPAR" ], "public_grant_registers_checked": [ "EA Funds", "Coefficient Giving", "Manifund", "Survival and Flourishing Fund" ], "saved_manager_corpus_records": 111704, "people_with_name_matched_public_text": 81, "people_with_database_only_manager_scan": 1848, "quality": { "full_person_company_records": 1997, "staff_record_sensitivity_pairs": 1849, "staff_record_sensitivity_people": 1808, "quality_flag_pair_counts": { "job_title_unspecified": 943, "ORCID_self_report_only": 1582, "founder_only_role_history": 102, "internship_only": 36, "fellowship_only": 4, "identity_or_role_requires_corroboration": 4, "consultancy_or_governance_only": 2, "pseudonymous_identity": 1 }, "identity_or_role_review_people": 4, "interpretation": "Staff-record sensitivity removes explicit role exclusions and four conspicuous identity/role issues. It remains a record inventory; independent employee verification and employer hiring attribution are separate requirements." } }, "methodology": [ "The census queries every employment claim and reviewed explicit staff affiliation or departure event in the frozen Holoscope snapshot. Companies are organizations classified or tagged as AI companies/frontier labs, plus their graph-linked subdivisions. Broad parent-company records are retained. Company names, dates, titles, claim IDs and source URLs remain available per employment pair.", "The extraction reconciles native snapshot employment IDs against the normalized graph. One independently corroborated Jeff Dean/Jeffrey Dean duplicate is merged; other same-name IDs remain separate. Records include current and historical jobs, internships, founders and unspecified job titles; the staff-record sensitivity is reported separately.", "The baseline marker is a recorded MATS participant/alumnus or listed mentor role, or an individual funding record. User-requested comparison means no recorded participation/funding initially, followed by secondary checks for every census identity. Public program texts and grant registers are matched using normalized full names and recorded aliases; every hit is manually reviewed for identity and actual role. Public rosters are partial, and name absence preserves unknown history.", "The main checked marker adds publicly verified SPAR mentorship and BlueDot course relationships where program funding is verified, and accepted named personal grant recipients, including joint recommendations and recorded project donations. Grant recommendation, cash donation and tax-filing scholarship have separate statuses. Employer grants and funds received by a university for a named researcher retain separate fields; only the named-research sensitivity adds the latter.", "Program role and personal funding are operational evidence markers. They measure documented affiliations without inferring beliefs. Undated mentor listings establish a published mentor role; they leave completed participation and status before hiring unresolved. Current navigation advertising a future program dates the navigation only.", "Every employee has database/source audit status. Named supervision/hiring candidates receive targeted source checks. Explicit original hiring, later reporting relationships, recruitment involvement, project advising, program mentorship and coauthorship remain distinct. A company executive is never assigned as a likely hirer solely from rank. Each unresolved case stays unresolved.", "Four cells list hirer/supervisor first: record/record, record/no-record, no-record/record and no-record/no-record. Row percentages divide by the relevant supervisor group; column percentages divide by the relevant employee group. Zero denominators are null/Undefined. Main marker classification is retrospective as of the study date, with timing stored per pair.", "The relationship subset is a purposive collection of discoverable public statements with sparse coverage. Applicant pools, rejected candidates, qualifications and actual selection motives are unavailable. Preferential hiring remains unresolved. Descriptive composition percentages apply to the stated pair sample." ] }