AfterQuery
AfterQuery pays domain experts to capture how they reason, then sells that structured reasoning as training data and reinforcement learning environments to frontier AI labs.
Raised $500,000 across disclosed rounds.[15]
Series B closed September 2026.[1][2][3][5][6]
Round size and post-money valuation are not publicly disclosed.
Named investors include Altos Ventures, The Raine Group, Y Combinator, BoxGroup.[12][4][11]
Spencer Mateega, Co-Founder and CEO[12][2][7][24][9]
Carlos Georgescu, Co-Founder[12][2][7][24]
Danny Tang, Co-Founder[12][2][7][24]
Nancy Fairbank, Head of Operations[12][9][24]
Maggie C., Head of Business Operations and People[12][9][24]
Amish Sethi, Research Lead[12][9][24]
AfterQuery · Oct 2026[9]
Andy Le · Oct 2026[13]
Mercor · mercor.com · Named together in the same market map of startups employing knowledge professionals such as doctors and lawyers to support AI model training; same buyer (frontier labs) and same budget line for expert-generated training data.[1][5]
Scale AI · scale.com · Named together in the same market map of expert data providers for AI model training; same buyer and same job to be done of supplying training and evaluation data to model developers.[1][5]
Surge AI · surgehq.ai · Listed in the same competitor landscape for AfterQuery as a provider of human feedback and labeling for LLM alignment, which is the same buyer and the same workflow AfterQuery serves with preference signals and RLHF data.[16]
Invisible Technologies · invisibletech.ai · Listed in the same competitor landscape for AfterQuery as a human-in-the-loop data operations provider for AI model training, the same job to be done and the same buyer budget for expert-generated training data.[16]
Turing · turing.com · Listed in the same competitor landscape for AfterQuery as a provider of expert LLM training data, which is the same buyer and the same expert-data budget line AfterQuery sells into.[16]
The customer proof is company-sourced only. No independent source in this ledger confirms it.[10]
Ask for one referenceable production customer.
Not a recommendation. The first thing this ledger cannot answer.
Filled in the side panel for invited readers. This card carries sourced facts only.
Oct 2026 · techcrunch.com
reported
Oct 2026 · techfundingnews.com
reported
Oct 2026 · qoshe.com
reported
Oct 2026 · siliconangle.com
reported
Oct 2026 · tryfondo.com
reported
Oct 2026 · builtinsf.com
reported
Oct 2026 · dealroom.co
reported
Oct 2026 · businesswire.com
company
Oct 2026
vendor
Oct 2026 · valueaddvc.com
reported
Oct 2026 · svtr.ai
reported
Oct 2026 · travisraymond.ai
reported
AfterQuery
AfterQuery pays domain experts to capture how they reason, then sells that structured reasoning as training data and reinforcement learning environments to frontier AI labs.
Ask for one referenceable production customer.
Not a recommendation. The first thing this ledger cannot answer.