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Our People


Ivor Tiefenbrun MBE

Founder and Honorary President, Cure Crohn’s Colitis

Ivor is the Founder & Executive Chairman of Linn Products Ltd.  He founded Linn in 1973, and his Sondek LP12 turntable design which started the company went on to become the reference standard turntable worldwide and remains in production to this day.

Diagnosed with ulcerative colitis in 2002, his personal experience prompted him to set up C3.

Ivor was appointed a Visiting Professor at Strathclyde University by the Department of Design Manufacture and Engineering Management in 2004.  In 2011 he was appointed a member of The William Robertson Society at The University of Edinburgh in recognition of his charity work. He is also a founding member of the Entrepreneurial Exchange (now Entrepreneurial Scotland) and was inducted to their Hall of Fame in 2011.

In recent years Ivor and Linn initiated and sponsored a stem cell specialisation research project involving three Scottish Universities, and agreed to chair a similar broad-based joint University research project on a specialised stem cell application.

Ivor lectures extensively on business, design, manufacturing methodologies, marketing and strategy at Universities, Think Tanks, research establishments and businesses, and business events and conferences.  He is an occasional columnist for various publications and also mentors and coaches private businesses, and is a consultant to manufacturing businesses around the world.

His personal interests include helping people, manufacturing and engineering, boating, history, current affairs and economics, music, reading and the arts.


Roy Provan


Roy is a commercial solicitor based in Glasgow specialising in real estate transactions.

He has a keen interest in the not for profit sector and served as a Director of East Renfrewshire Chamber of Commerce between 2011 and 2014.

He was diagnosed with mild to moderate Ulcerative Colitis in 2009.

Roy has been a Trustee of C3 since 2013 and was appointed as Chair in July 2016.

His interests include golf, hillwalking and (trying) to keep fit.


Dr Daniel R Gaya

Consultant physician & gastroenterologist based at Glasgow Royal Infirmary. Daniel has a special interest in Inflammatory Bowel Disease (IBD) and receives tertiary referrals for the management of complex cases. He runs two weekly adult IBD clinics and in addition organises a transition clinic with colleagues at Yorkhill for adolescents with IBD.


Liz Gallacher

Liz is a qualified journalist in print and digital and has more than 25 years experience as a staffer and freelance in local, regional, national newspapers, and magazines. Much of her work now also takes in online journalism and social media.  A member of Liz’s family has Crohn’s disease and she is keen to raise awareness of IBD and funds for vital research which she is sure will one day result in a cure.


Alan Fair

Alan is the director of a Web Design company in Glasgow called Contact. He built and maintains the current website for the charity and reports on the status of the website at each meeting. As well as that he contributes where he can and offers his experience & insights into potential technical solutions for some of the goals of the charity.


David Sime

Former director of Ice to Eskimos Marketing and Total Therapy Group, David is now a specialist digital marketer, a qualified lecturer and the first General Teaching Council recognised digital marketing trainer in the UK. David was diagnosed with Crohn’s Disease at 11 and has been an ostomate since 2002.


Sahara Fleetwood-Beresford

Sahara’s background is in marketing.  She manages her own pool of clients and has experience in managing digital media in a diverse range of industries.

She runs the charity’s social media accounts and offers her marketing expertise.

She was diagnosed with Ulcerative Colitis in 2007 and had surgery only a week later.  She has battled with multiple surgeries, including 2 ileostomies, a plethora of complications and medications and the mental effects of IBD since.  All have played a part in Sahara’s decision to raise awareness, fundraise and offer support to other IBD sufferers.

Sahara was awarded ITV Central’s ‘Pride of Britain Fundraiser Award’ in 2015.

In her spare time, Sahara looks after her Chihuahua family, rescues innocent creatures and runs IBD fundraising project and support group - #IBDSuperHeroes.

Her passion for raising awareness in the hope of finding a cure with the help of research funded by Cure Crohn’s Colitis never wavers, unlike her health as she tries to tackle life with a misbehaving jpouch.