She remains listed as a management columnist at the Financial Times (FT),[1] and became a trainee teacher in a secondary school in 2017.

[3] Kellaway attended Camden School for Girls, where her mother taught English, and then Lady Margaret Hall, Oxford, where she read Philosophy, Politics and Economics (PPE).

[4] After initially working at the foreign exchange dealing room of Morgan Guaranty[5] and at the Investors Chronicle,[6] Kellaway won the Wincott Young Financial Journalist Award in 1984.

Some years later, a satirical column purporting to be the emails of Martin Lukes, a senior manager in a company called A&B (later expensively re-branded to a-b glöbâl) would appear on Thursdays.

[7][9] She wrote the "Dear Lucy" column,[10] in which she adopts the point of view of a business agony aunt in response to letters sent by readers.

He wants people to love him and to be dazzled by his ability to "think outside the square," yet the ideas he comes up with are phony and pedestrian.

[12]On the launch of a redesigned FT in April 2007, the editor listed Kellaway (and Lukes) as the second of five key items of unique content as reasons for reading the FT.[13] The Answers: All the office questions you never dared to ask was published in paperback in late 2007.

In Office Hours was serialised on BBC Radio 4's Book at Bedtime and described as "funny, truthful and cracking satire" by The Sunday Times.

[2] In 2018 Kellaway announced that she was turning her back on maths to teach children business studies instead, a decision she has written about in the Financial Times.

[23] Kellaway was appointed Officer of the Order of the British Empire (OBE) in the 2021 Birthday Honours for services to education.