Tom Sebastian returns to Monckton Chambers

22 Jun 2026

Monckton Chambers is pleased to welcome back Tom Sebastian, who rejoins chambers on Monday, 22nd June.

Tom acts in substantial regulatory and commercial disputes, often with an international element. He has a diverse practice which spans competition law, public international law and international commercial arbitration. Tom is a member of the CMA’s Panel of Standing Counsel and the Attorney-General’s PIL-A panel.

Tom said: “It is great to be returning to Monckton Chambers. I look forward to developing my practice alongside old, and new, Monckton colleagues in the years to come.”

Joint Heads of Chambers Tim Ward KC and Philip Moser KC said “We are delighted to welcome Tom back to Chambers. He adds strength and depth to Monckton’s practice in competition law and in the complementary areas of public international law and commercial arbitration

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