Sean Mullaney

Sean Mullaney is an advice-only financial planner and the President of Mullaney Financial & Tax, Inc. Through Mullaney Financial & Tax, Sean provides advice-only financial planning for a flat fee. Sean is the co-author (along with Cody Garrett) of Tax Planning To and Through Early Retirement, published in 2025. Sean writes the Plutus Award winning blog FITaxGuy.com on the intersection of tax and financial independence. He also has a personal finance YouTube channel.

Sean has discussed personal finance and tax on numerous podcasts, including ChooseFI, The Stacking Benjamins Show, How to Money, and Earn & Invest. He has been quoted in media outlets including The New York Times and Forbes.

Sean entered financial planning as a career changer. In his previous career he worked for Deloitte & Touche and PwC, including over 6 years in PwC's Washington National Tax Services practice. Sean is a Certified Public Accountant licensed in California and Virginia. He is a member of Measure Twice Planners and the American Institute of Certified Public Accountants.

Sean and his wife Catherine live in Woodland Hills, California. Outside of professional pursuits, he enjoys spending time with his wife, travel, the comedy of Larry David and Jerry Seinfeld, and New York Jets football.