Who We Are

Jnetics employs an Executive Director, Project & Programme Manger, Project Research & Development Officer and Project Development Officer,who work closely with our Board of Trustees and expert Scientific and Medical advisors. We also have a team of freelance professionals managing certain areas of activity and delivering specific projects. In addition, we are supported by volunteers who generously share their time and expertise to help progress our work.

Over time and with the necessary funding, Jnetics will employ other staff (e.g. outreach education officer, researcher etc.) to support our project work and enable us to expand our services.

Please click on the titles to open and close the following information sections.

Our Executive Director, Katrina Sarig, is responsible for our strategic direction, delivery of our services, as well as running the day-to-day aspects of the charity:

Katrina Sarig,
Executive Director, Jnetics

Katrina Sarig


Our Project & Programme Manager, Greg Blank, is responsible for managing our key projects, including the GENEius programme, as well as coordinating our screening services and managing our volunteers.

Our Project Research & Development Officer, Rachael Citron, is assisting with the research, development and delivery the GENEius programme and supporting the other on-going Jnetics activities.

Our Programme Development Officer, Aviva Lewis (currently on maternity leave) is based in our Manchester office, and is responsible for assisting with the research, development and delivery the GENEius programme, developing the organisation’s activities in the main Jewish communities outside of London, as well as supporting the other on-going Jnetics activities.

We are currently supported by an experienced freelance professional:

  • Rachel Groenewoudt administrator

Jnetics is managed by a board of trustees responsible for ensuring that the charity meets its objectives whilst complying with legal obligations under charity and company law. The board provides guidance for the strategic development of the charity and reviews work as it develops.

Our trustees have experience across charity management, finance and fundraising, marketing and PR, and healthcare.

Anthony Angel (chairman)
Anthony was the former Worldwide Managing Partner at Linklaters, Executive Managing Director EMEA at Standard & Poor’, Global Co-Chairman at DLA Piper and Trustee and Treasurer of the Cystic Fibrosis Trust before becoming chairman of Jnetics’ board of trustees.  Anthony’s son Benjamin died aged 26 from Cystic Fibrosis. He is committed to preventing the suffering and pain of other Jewish families from the death of a child from what are now avoidable genetic diseases.

Anthony Angel

Ruth Angel
Ruth has been involved with fund raising for charities since the age of 13; first with JNF and then the Shaare Zedek Hospital.  Later after her son Benjamin was born with Cystic Fibrosis she began raising funds for the CF Trust and continued to do this on an almost full time basis for the next 26 years.  Tragically her son Benjamin died in 2005 at the age of 26 after marrying and later qualifying as a doctor.  It was Benjamin’s dearest wish that no one else should be born with Cystic Fibrosis.  Ruth is very pleased to be a Trustee for Jnetics and hopes and prays that she can help prevent other families from suffering the loss of a child by encouraging genetic testing.

Ruth Angel

Eileen Jacobs, SROT
Eileen has many years of experience as an Occupational Therapist, specialising in geriatric medicine and children with special needs. She was a national executive member of British Wizo and is co- founder of charity Cove Park with her husband Peter. As a mother of three and grandmother of nine, her concern is the wellbeing and health of her family and the future of the Jewish community

Eileen Jacobs

Peter Jacobs, BSc, DMS
Peter has held a variety of senior management positions over his career including CEO roles at British Sugar, Beresford International and Bupa. After 8 years as CEO at Bupa he took early retirement to co- found charity Cove Park with his wife Eileen. He has held various chairmanships and non exec. positions including Allied Domeq and the RAF. He firmly believes that Jnetics can make a significant difference to the quality of life of many families and play a leading role in reducing, and hopefully eliminating, a number of extremely serious disorders.

Peter Jacobs

Ian Pearl, LLB
Solicitor, OGR Stock Denton

Josie Dobrin

Tammy Rothenberg, BA (Hons) BM BCh MRCPCH MSc (Allergy)
Tammy is a paediatrician with two decades of experience in the NHS.  She is committed to Jnetics’ aims of improving awareness of Jewish Genetic diseases, improving access to screening, and providing support for those affected by these diseases.  She has long experience of working within the NHS, and currently works at Homerton University Hospital, which serves the large Jewish community based around Stamford Hill.  She is particularly motived to reduce barriers between different organisations, and work across boundaries to help improve things.

Tammy Rothenberg

We were honoured and hugely grateful to have Dr Alan Naftalin, as one of our founding trustees who contributed enormously to our work right up until he passed away in December 2012.


Our expert scientific and medical advisors include scientists, clinicians, researchers and a genetic counsellor who are all specialists in fields relating to Jewish genetic disorders.

Our advisors guide us on what disorders are appropriate to cover; ensure that our information is accurate and disseminated responsibly; direct our position on testing; and help facilitate collaborative work that support our objectives.

Please click on the names for more information about each.


Our educational experts are all specialists in fields relating to medical and Jewish education.

Our advisors guide us on development of the GENEius programme.

  • Emma Cravitz, OBE
    Emma is an educational psychologist who has worked with children in a number of London schools. She is the co-founder of Eden Primary school, Yeladenu pre-school, and is a governor of JCoSS
  • Rabbi Dr Raphael Zarum, MD DRCOG FRCP
    Rabbi Zarum is a leading Jewish educator and theoretical physicist. He teaches at conferences and seminars, synagogues and Jewish community centres around the world.
  • Shelley Marsh, MA
    Shelley is the Executive Director of Reshet, The Network for Jewish Youth Provision. She is also an advisor to the Paediatric Intensive Care Units Network, training and supporting healthcare professionals in both paediatric and neonatal intensive care units across the UK.


  • Lord Leslie Turnberg
    Lord Turnberg is a British medical professional and an author of many publications and books related to the medical and health services fields. His experience extends to areas of research in these fields, and maintaining a clinical practice. He has published four books and some 150 articles on medical and scientific research. He is a Labour Life peer and sits in the House of Lords.
  • Lord David Pannick
    Lord Pannick QC is one of the UK’s most highly regarded advocates, practising in a broad range of areas with a particular emphasis on Public law & Human Rights. In November 2009 he became a Labour Life peer and sits in the House of Lords.
  • Professor Patricia Jacobs, DSc, FRS, OBE
    Professor of Human Genetics, University of Southampton
    Professor Jacobs is a world-renown geneticist who has led a wide range of groundbreaking research projects on human chromosome abnormalities. She has authored over 250 articles which investigate the effect of chromosome abnormalities both in individuals with congenital abnormalities and in a wide variety of populations.
    She is a Fellow of the Royal Society, a Foreign Associate of the United States National Academy of Sciences, a founder member of the American Board of Medical Genetics, and a founder member of the Academy of Medical Sciences. In 1999 she was awarded an OBE for services to genetics.