# Semrush chair entity: /record/semrush.md predicate: chair page: /record/semrush/chair as_of: 2026-11-13 cite: AsOf. "Semrush chair: Mark Vranesh", as of 2023-08-01 (until 2026-04-28). Claim clm_40EBE2E8C45B, https://asof.is/claim/clm_40EBE2E8C45B, accessed 2026-11-13. Source: https://www.sec.gov/Archives/edgar/data/1831840/000114036126017299/ef20071354_8k.htm. As of November 13, 2026, the AsOf record names no chair for Semrush: Mark Vranesh held the role from August 1, 2023 until April 28, 2026, from a primary source (sec.gov), and the record holds no successor yet. 1 claim on Semrush's chair, 0 open and 1 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted. ## Last chair Nobody holds the role on the record on 2026-11-13; this claim is closed. - [Semrush](/record/semrush.md) | chair | Mark Vranesh | valid 2023-08-01 to 2026-04-28 | conf 0.95 | superseded | [clm_40EBE2E8C45B](/claim/clm_40EBE2E8C45B.md) sources: https://www.sec.gov/Archives/edgar/data/1831840/000114036126017299/ef20071354_8k.htm, https://www.sec.gov/Archives/edgar/data/1831840/000162828026025812/semr-20251231.htm ## Every dated value One claim per line, oldest first. Superseded claims stay visible. - [Semrush](/record/semrush.md) | chair | Mark Vranesh | valid 2023-08-01 to 2026-04-28 | conf 0.95 | superseded | [clm_40EBE2E8C45B](/claim/clm_40EBE2E8C45B.md) sources: https://www.sec.gov/Archives/edgar/data/1831840/000114036126017299/ef20071354_8k.htm, https://www.sec.gov/Archives/edgar/data/1831840/000162828026025812/semr-20251231.htm ## Questions this record answers ### Who is Semrush's chair? The record names none as of November 13, 2026. Mark Vranesh held the role from August 1, 2023 until April 28, 2026, from a primary source (sec.gov); no successor is on the record yet. ### When did Mark Vranesh leave as Semrush's chair? On April 28, 2026, after holding the role since August 1, 2023, from a primary source (sec.gov). ## Read on - This page: /record/semrush/chair (markdown: /record/semrush/chair.md) - Entity twin: /record/semrush.md ยท timeline: /timelines/semrush.md - Every company's chair: /facts/chair.md --- AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.