Featured team members

Kevin Sefton
CEO & Co-Founder
A serial entrepreneur with a background as a chartered tax advisor, Kevin has launched several tech businesses, including an internet payments business way before internet payments were much of a thing. He has a knack for finding imaginative solutions to tricky problems. Fellow of the Institute of Chartered Accountants. Loves white boards, taking strolls, baking bread and riding his unicycle while wearing medieval armour.

Marcus Tettmar
CTO & Co-Founder
When it comes to tech there’s not much Marcus can’t turn his hand to. He’s not an accountant, but probably knows more about taxes than he’d care to admit. He co-founded a dot com business with Kevin back in the early 2000s and launched his own RPA technology with clients including NASA, Microsoft and BBC. These days some call it Full Stack Development. Marcus is more modest, and calls it Slave of All, Master of None.

Paul Loberman
Chief Product Officer
A digital banking and fintech expert (someone said it on the internet, so it must be true), Paul originally stumbled into a career as an accidental banker. He spent early, pre-internet days, working in a bank and providing phone support to customers––and yes, his parents thought he was wasting his law degree! His fascination with technology led him to work across the globe, building digital products and teams at both Santander and HSBC, maintaining his focus on always helping customers. Paul’s superpowers are tenpin bowling and telling dad jokes. Shares a wardrobe with Jon.

Richard Mann
Chair
Cool, calm and collected, nothing ever fazes Richard. A serial entrepreneur, mentor and investor, Richard started his journey back in the 90s doing blue chip mergers and acquisitions and has gone on to launch and grow a number of successful tech companies, including one with Kevin, Marcus and Paul. Fellow of the Institute of Chartered Accountants and a true polymath, he’s just as comfortable coding a neural net in Python as he is negotiating his next business exit!

Sasha Kalyta
Social media
Sasha is joined untied after completing her masters in Entrepreneurship and Innovation masters QMUL Sasha has great passion for innovation, technology and making people’s life easier. She's been involved in several entrepreneurial projects winning pitching competitions and awards, and has also been self-employed. She loves a challenge (actually seeking them out), and enjoys working out how to get things done effectively. Sasha knows she can change the world - one way is by helping people not being afraid of taxes as she was.

Chantal Heckford
Communications
Chantal is a communications specialist and focuses on helping untied raise its profile amongst the 12 million people that fill in a self-assessment tax return every year. With more than 20 years’ experience, both in house and in agency, she excels at delivering thought-provoking programmes and effective content. Chantal is half Swiss (like the trains, she’s ALWAYS on time!), loves yoghurt coated peanuts and Mad Men.

Paul Aplin
Senior Adviser
Paul is a former president of the Institute of Accountants in England and Wales (ICAEW), a board member of the Office of Tax Simplification, and a sought-after speaker, tax commentator and author. In 1997 he filed the UK’s first electronic tax return and has a long-standing interest in using technology to improve tax administration.

Justine Mullick
Operations
Justine keeps the company’s paperwork compliant, specialising in recruitment and talent management but enjoying each new challenge the team finds for her. Her background is Human Resources in real estate venture capital, working in the acquisitions team to integrate senior talent in operating companies across the world. Qualified in tax, psychology and employment law, untied is her ideal team. Her spare time is spent cooking, occasionally pausing to learn new languages and keep her local bookshop in profit but dreaming of food all the while.

Ben Ell
Specialist
Making a good impression can initiate any number of opportunities for a business – and also risks surprises. Ben works with untied on our source code to ensure that as a business we think through what those opportunities and risks are.

This could be you
An untied star
This could be where you sit in the untied team. Bring your ideas, energy and get stuff done.
Official stuff:
Company: UT Tax Ltd, registered in England with company number 11643855
Address: 10 Chertsey Road, Woking, Surrey, United Kingdom GU21 5AB