Grant Mansfield is the Chief Executive and Founder of Plimsoll Productions. Before launching the company in September 2013 he spent 3 years in LA and CEO of Zodiak USA where his credits include Secret Millionaire, Celebrity Wife Swap, Hard Core Pawn, Lizard Lick Towing and Killer Karaoke. Previously, as Managing Director of RDF, based in London, credits included Ladette to Lady, Holiday Showdown, Oz and James Big Wine Adventure, Gene Simmons Rock School and Dickinson’s Real Deal. Before that, as Head of Programmes at Granada TV, Mansfield was responsible for the launch of I’m a Celebrity, Get Me Out of Here. He began his TV career at the BBC, first as a TV news reporter and latterly as the creator and producer of some of the Corporation’s most popular documentary series, including Driving School and long running Vets in Practice. At Plimsoll, Mansfield has created and executive produced many of the company's shows including the recent ITV prime time hit Life at the Extreme, with Davina McCall. His shows have won several BAFTA and RTS awards.

Chief Operating Officer and Co-Founder of Plimsoll Productions, Christine manages all the commercial aspects of the business, working closely with the CEO to ensure both production and business needs are met. Christine oversees both the UK and US offices. Christine has worked as Managing Director & Head of Production at other independent TV companies in the UK and overseen such shows as Dickinson’s Real Deal; Oz & James Big Wine Adventure and Perfect Housewives.

A documentary veteran, Andrew oversees all international production including the hugely successful Story of Cats for PBS & ITV, a record 50 hour production deal: Camp Zambia and the forthcoming global, live event, Earth Live! In previous roles as EVP of Discovery Specials and a former Head of the BBC Natural History Unit, Andrew was responsible for many award winning, global hits, including, Monster Squid, North America, and two record breaking Shark Weeks; Frozen Planet, Springwatch, Deadly 60, Life Story and initiating production on the highly acclaimed Planet Earth II. As Managing Director of Tigress Productions until 2011, he grew the company into one of the largest UK suppliers of specialist factual programming.

After a career in producing high end, blue chip shows for the BBC Natural History Unit where her credits included the multi award-winning Life, Blue Planet and Life in the Freezer, Martha, who has a PhD in marine biology, has overseen a string of commissions at Plimsoll.   These are as varied as going to some of the most inhospitable places on the planet for Life at the Extreme with Davina McCall and Predators with Joel Lambert to a definitive study of felines in The Story of Cats.  She has also embraced the world of our favourite pets with Dogs: The Untold Story, and Puppy Secrets: The First Six Months.

Since joining Plimsoll Karen has run numerous factual entertainment series including, Rescue Dog to Super Dog, The Secret Life of the Family, Holiday Airport and Big Family Mansion. Before joining Plimsoll she was an Executive Producer in the BBC Features department. Her credits included Home Comforts, James Martin's Food Map of Britain and Christine Walken's Gardens from Above. Karen has also Series Produced a slate of Show's including Ladette to Lady, Taking on Tyson and Hairy Bikers Best of British, and Dawn O'Porters - This Old Thing.

Was most recently an Executive Producer in the BBC Features Department. Her Executive Producer credits include DIY SOS, Bargain Hunt and Flog it!. Previously, Kate was a Commissioning Executive for documentaries on BBC1 and BBC2, and has been Series Producer of Horizon and other titles in the BBC and at Granada.

Lynn Sinclair is the Head of Production for Plimsoll Productions and joined the team in July 2015. Lynn is responsible for the production management of the business and is directly involved with development, production and delivery of the diverse output of all of our programming.    She also ensures the safe delivery of our programmes to Magnify Media who distribute our content globally. Previously, Lynn worked at BBC Earth Productions Ltd as Head of Production.  Lynn was responsible for the running of this multi-platform business.   She managed a wide variety of content, which included theatrics, Enchanted Kingdom (3d); Walking with Dinosaurs (3d); One Life; Giant Screen films – Prehistoric Planet, Tiny Giants and Wild Africa; television series Wild School and digital content production, Earth Unplugged, You Tube, plus various other branded content as well as a series of films for the visitor attraction ORBI for SEGA in Japan. Before working at BBC Earth, Lynn worked as Head of Production at Tigress Productions for over 10 years where she looked after over 50 hours of specialist factual content per year, over 3 bases, delivering to a wide variety of clients.

A media executive with 20 years of strategic, operational and financial experience in the TV (Broadcast, Production and Distribution) and Music (Record, Publishing and Live Events). Jonathan spent 6 Years at DRG, the UK’s largest Independent International TV Distributor, initially as Chief Operating Officer, acting as business partner to the CEO, adding rigor to strategic decisions, devising and implementing growth objectives, identifying risks and opportunities, then taking the lead managing performance. He was then appointed Group Managing Director , leading DRG through a successful sale process. He has held senior financial roles at BBC Worldwide and Channel 4 and prior to DRG spent 4 years at Ingenious Media, an investment house specializing in Media and Entertainment, advising Investee companies both pre and post private equity funding.

James is one of the creative leads overseeing the ground-breaking global event, Earth Live for National Geographic, as well as overseeing Camp Zambia and Camp Sri Lanka, two ambitious wildlife projects for Blue Ant & Smithsonian Earth. Before joining Plimsoll in 2015, James ran Springwatch for BBC TWO. He was part of the BAFTA-winning team that made Amazon with Bruce Parry, having produced the acclaimed anthropological series Tribe. James also oversaw the follow-up series on the Arctic. He has made films in the Congo Basin and Alaska for BBC1 and Discovery, and series produced The Fisherman’s Apprentice with Monty Halls and Wild Shepherdess with Kate Humble. 

Immediately before joining Plimsoll Productions Tom series produced PLANET EARTH II.  This hugely successful series has reached audiences above 13 million in the UK alone and has become the most watched Natural History series for over 25 years. Prior to that during his 20 year tenure at the BBC’s Natural History Unit he played a key role in originating, developing, producing and directing a wide diversity of wildlife and science programming. Tom is perhaps best known for his award winning work on the BBC's major wildlife and anthropological blue-chip series including titles such as Planet Earth, Human Planet and Life Story. Tom will act as Showrunner on a landmark natural history series at Plimsoll Productions.

Steven Clarke manages Plimsoll’s growing slate of specialist factual programmes, including the company’s most recent commission from Channel 4 history. In his 2 years at Plimsoll, Steven has series directed the ambitious Predators series for Discovery International and Puppy Secrets for ITV1 (BAFTA nominated for photography). His many previous directing credits include: the hit Channel 4 history series’ Elizabeth and Six Wives of Henry VIII. For the BBC: Empire of the Seas, The Beauty of Maps and The King & The Playwright; Channel 5’s Murder Trail and Victoria Cross Heroes. And for ITV, Battle of Britain and Great Escape: The Untold Story. He also wrote and produced the BAFTA winning factual drama, Dinosaur Hunters.

Hannah’s career has taken her from the rooftops of Jaipur in India for Planet Earth II and Nat Geo's award-winning Monkey Thieves, to the undergrowth of the Amazon rainforest and the top of Mount Kenya for Discovery's Wildest… strand.  Closer to home she's also produced and directed multiple films for Springwatch and the One Show. An experienced writer and director, she has worked across all wildlife formats, including blue chip, presenter-led and live broadcasting. Hannah is currently overseeing Plimsoll’s ambitious Camp Zambia project.

Andrea Jackson has been a formats and distribution specialist for nearly 20 years.  Starting out at formats pioneer, Action Time (now part of ITV Global), she went on to set up a new format sales business at  Mentorn Barraclough Carey, building the Robot Wars brand into a global hit. In 2000, Andrea launched production and distribution business, Zeal Entertainment.  With international hits such as Pepsi Chart Show and the Singing Bee, which was licensed for local production in 35 territories around the globe, Zeal rapidly built a reputation as a creative and innovative business. In 2006, Andrea sold Zeal to DRG and then became DRG's  Managing Director, Acquisitions & Formats, working with titles such as The Farm, Don't Tell the Bride, 15 to 1 and Doc Martin.   In 2015, Andrea decided it was time to use her experience, contacts and vision to build her own entrepreneurial business and launched Magnify Media.

Bill is one of a handful of unique specialists in LIVE TV wildlife, having produced the UK’s longest running live, wildlife show Springwatch and the BAFTA winning Big Blue Live for the BBC. An accomplished producer and director, with more than 17 years experience, Bill has also recently made an award-winning episode of the Natural World for the BBC and PBS, and Wildest Africa for Discovery. He’s now a key part of Plimsoll's ground-breaking project Earth Live, transmitting live from six continents.

As Operations Manager, Jen is responsible for the smooth running of the office, ensuring that the support and infrastructure is in place to service the business needs. Jen works very closely with her US counterpart Tricia Taghon in LA ensuring that both sites operate in tandem. Jen has worked in the television industry both in London and Bristol as an Office Manager for over 10 years working for companies such as At It Productions (T4, Popword & Transmission) Somethin Else (BBC Radio 6 Music, Essential Mix & Guitar Stars.  Raw TV (Banged Up Abroad, Paranormal Witness and BAFTA  Winner – The Imposter) and  Warehouse 51 Productions (Area 51, Made in China & Dino Death Match).

Alison has bookended her career as a Series Producer at the BBC with work in the charitable sector.  Initially carrying out habitat research for the RSPB then working in the fundraising department of Friends of the Earth before moving to the USA to carry out acid rain research at the Smithsonian Environmental Research Institute.  After a 12-year career in television, Alison has re-connected with working in the community as a Fundraiser for several charities including the NSPCC and the Rowans Hospice.