Ricky Martin (Series 8, 2012)(01 of23)
Open Image ModalKate Walsh (Series 5, 2009)(02 of23)
Open Image ModalPerhaps best known for her relationship with fellow contestant Philip Taylor, Kate was runner-up in 2009.
After briefly flirting with TV and presenting Channel 5's Live From Studio 5 and OKTV! from 2009 to 2011, Kate went back to business working as an executive assistant for Pandora.
She has since worked her way up at the jewellery brand, and is now the UK managing director. (credit:Doug Peters/Doug Peters)
Leah Totton (Series 9, 2013)(03 of23)
Open Image ModalLeah used her investment from Lord Sugar to launch the Dr Leah Cosmetic Skin Clinic in London, with services including botox and laser hair removal. She later opened subsequent branches in London and Essex.
The business has been a big financial success, with accounts filed by Dr Leah Ltd in 2018 revealing that its pre-tax profits had increased by 40% to £375,804. (credit:Ian West/PA Archive)
Michelle Dewberry (Series 2, 2006)(04 of23)
Open Image ModalMichelle only lasted nine months at Lord Sugar's recycling company Xenon Green after winning the second series of the show.
She went on to work as a strategy consultant for Tesco Mobile and launched her own consultancy firm. She also established herself as a broadcaster, making regular appearances on Sky News, and continues to be one of the main panellists on the channel's political debate programme The Pledge.
In 2017, Michelle stood in the general election as an independent candidate for Hull West and Hessle, where she grew up, but her campaign was unsuccessful. (credit:Dave M. Benett via Getty Images)
Luisa Zissman (Series 9, 2013)(05 of23)
Open Image ModalLuisa wasn't about to let finishing second get in the way of her business – or her public profile.
Shortly after appearing on the show, Luisa landed a spot in the Celebrity Big Brother house, later popping up on spin-off show Bit On The Side.
She also opened up her own cupcake business The Baker Shop, which included cookware and a book, but she put the firm into liquidation in 2016 to be a full-time mum. (credit:Danny Martindale via Getty Images)
Kurt Wilson (Series 9, 2013) (06 of23)
Open Image ModalHealth and safety manager-turned-Health drink entrepreneur Kurt was fired in week seven of the ninth series.
After the show, he went back to his nutrition business Fuel Station, which sold smoothies, juices and meal prep and had clients including Bradley Wiggins and Tyson Fury.
However, the company's website has since been taken offline, and its Twitter account has been inactive since 2018. (credit:BBC )
Susan Ma (Series 7, 2011)(07 of23)
Open Image ModalFrancesca MacDuff-Varley (Series 9, 2013) (08 of23)
Open Image ModalAndrew Brady (Series 13, 2017)(09 of23)
Open Image ModalAfter being fired in a triple sacking, it wasn't long before we saw Andrew again, as he entered the Celebrity Big Brother house just weeks afterwards.
Andrew's name didn't stay far from the headlines after he became the sixth housemate to be evicted, as he embarked on a very public relationship with Love Island host Caroline Flack.
The pair announced their engagement after three tumultuous months together, but eventually called things off for good eight months later, with Andrew emigrating to Australia to start a new life. (credit:PA)
Tom Pellereau (Series 7, 2011)(10 of23)
Open Image ModalInventor Tom Pellereau was the first winner to be awarded the prize of £250,000 business investment, instead of a job with Lord Sugar.
His life-changing invention was a curved nail file, and his company STYLIdeas has gone on to sell other products including a nail clipper, make-up brush cleaner and sonic toothbrush, which have also been featured on This Morning.
His website states that he continues to work closely with Lord Sugar and regularly attends board meetings.
Tom also pops up on TV from time-to-time, including on QVC and on a Channel 5 documentary about railway walks. (credit:Ian Gavan via Getty Images)
Elizabeth McKenna (Series 13, 2017)(11 of23)
Open Image ModalWhile she didn't win, Elizabeth was the stand-out star of the 2017 series, and possibly even the whole show.
Following her appearance on The Apprentice, where she tried to get Lord Sugar to invest in her florist business, she returned to it and saw a 500% sales increase in the following year.
In 2018, she created a bouquet of flowers which local schoolchildren presented to Meghan Markle on her first official outing with Prince Harry as a couple. (credit:BBC)
Vincent Disneur (Series 7, 2011)(12 of23)
Open Image ModalVincent's good looks weren't enough to save him from hearing the immortal words "you're fired", and he was booted out in week five of the 2011 series.
He's now Head Of Sales and Marketing at Union Street, "the UK’s leading billing provider". (credit:BBC)
Lucinda Ledgerwood (Series 4, 2008)(13 of23)
Open Image ModalLucinda and her berets made it to the semi-finals, after which she pursued a TV career, before – like many others – going back to the business world. (credit:BBC)
Alex Wotherspoon (Series 4, 2008)(14 of23)
Open Image ModalSimon Ambrose (Series 3, 2007) (15 of23)
Open Image ModalDespite being labelled "a pillock" by Sir Alan, Simon went on to win the third series of The Apprentice.
He joined Lord Sugar's business to work on property projects but later left after a three-year stint and now runs the Hoxton Basement and Victorian Vaults events spaces in London. (credit:Ian West/PA Archive)
Alana Spencer (Series 12, 2016)(16 of23)
Open Image ModalChocolatier Alana won Lord Sugar's investment in 2016 and established her luxury cake business, Ridiculously Rich by Alana.
As of 2019, the brand has almost 50 franchises taking the cakes to events all across the UK and stocking local independent retailers.
It was also reported she bought back Lord Sugar's share in the business, and is now the sole owner and director of the firm. (credit:PA)
Ruth Badger (Series 2, 2006)(17 of23)
Open Image ModalAfter finishing runner-up in the second series, Ruth became somewhat of a TV personality, fronting her own show Badger Or Bust? and The Big Idea for Sky One.
She has owned her own consultancy firm, Ruth Badger Consultancy Ltd, since 2006, and runs North West Money, a company which provides finance for homeowners. (credit:Tomos Brangwyn via Getty Images)
James Hill (Series 10, 2014)(18 of23)
Open Image ModalFollowing his stint on The Apprentice, James entered the Celebrity Big Brother house in 2015's UK vs USA series, going on to win the show.
Since then, he has appeared on Celebrity Dinner Date, and E4's 5 Star Hotel, most recently taking part in Celebrity Coach Trip in 2019. (credit:Karwai Tang via Getty Images)
Tim Campbell (Series 1, 2005)(19 of23)
Open Image ModalTim was the first ever winner of The Apprentice in 2005, working for Lord Sugar for two years before moving on to set up the Bright Ideas Trust, a social enterprise aimed at supporting young entrepreneurs from disadvantaged backgrounds.
He also worked with now-prime minister Boris Johnson, appointed as his training ambassador in 2010 when he was London Mayor.
In 2012, he was awarded an MBE for his work in social enterprise and three years later In 2015, Tim co-founded digital marketing agency Marketing Runners Ltd, and is now also an events speaker. (credit:WPA Pool via Getty Images)
Saria Khan (Series 1, 2005) (20 of23)
Open Image ModalDespite just missing out winning, Saria is one of the show's biggest success stories, launching a career as a broadcaster and commentator.
She has been a regular panellist on Loose Women since 2015, and has appeared on reality shows including Celebrity Big Brother and Dancing On Ice, as well as presenting a number of documentaries for the BBC.
She also launched a baby products business and has written a book. (credit:Getty)
Raef Bjayou (Series 4, 2008) (21 of23)
Open Image ModalSmooth-talking Raef charmed his fellow opponents, the public and even Lord Sugar who called him "a really nice chap".
After the show, he enjoyed an extended period in the spotlight, appearing as a reporter on Richard & Judy and taking part in shows including Celebrity Coach Trip, Ready Steady Cook and Come Dine With Me.
In 2014, he launched his own PR, marketing and communications company, Zephyr:Media, and also owns company Moncrieff London, which links businesses with hotel concierges. (credit:BBC )
Stella Vine (Series 6, 2010)(22 of23)
Open Image ModalStella won series six but later launched an unsuccessful lawsuit against Lord Sugar, claiming she had been unfairly dismissed.
She had an unfortunate subsequent few years, going through a divorce and battling the threat of the repossession of her home.
It was last reported in 2017 that she was hosting CrowdBox, a TV channel that helps entrepreneurs raise money through crowdfunding. (credit:Neil Mockford via Getty Images)
Katie Hopkins (Series 3, 2007)(23 of23)
Open Image ModalThe less said about this one, the better. (credit:Ian West/PA Archive)