BOARD OF DIRECTORS & SENIOR LEADERSHIP TEAM
The Board

Alexander Anton
Non-Executive Chairman
Alexander is an experienced AIM director and entrepreneur. Alexander is the former chairman and latterly a non-executive director of Victoria PLC, retiring from that role in 2019. He was Chairman of Summerway Capital Plc from October 2018 to January 2021. Alexander was chairman of The Queen’s Club from 2005-2007 and led the members’ buy out from the Lawn Tennis Association for £35 million in 2007. He is also the founder of Fraser Real Estate and Legacy Portfolio, businesses focused on complex leasehold portfolios.
Alexander is an experienced AIM director and entrepreneur. Alexander is the former chairman and latterly a non-executive director of Victoria PLC, retiring from that role in 2019. He was Chairman of Summerway Capital Plc from October 2018 to January 2021. Alexander was chairman of The Queen’s Club from 2005-2007 and led the members’ buy out from the Lawn Tennis Association for £35 million in 2007. He is also the founder of Fraser Real Estate and Legacy Portfolio, businesses focused on complex leasehold portfolios.
Chairman

James Short
Chief Executive Officer
James is the co-founder and CEO of Celadon. James has had a successful track record in the construction industry and then in the renewable energy sector. He co-founded the waste to energy business Bio-Gen Power Ltd and sold stakes to Ener-G Holdings PLC in 2007 and to FTSE 100 company International Power in 2008. He sold the company in 2010.
Subsequently, James commissioned the feasibility study and obtained planning permission for the development of the £984 million 1,500 megawatt combined cycle gas turbine power plant at Thorpe Marsh in North Doncaster in partnership with Acorn Power and GE. In 2014, he sold the development to GE. Latterly James has been involved in a cyber business that sells its product into a number of NHS hospitals development.
James is the co-founder and CEO of Celadon. James has had a successful track record in the construction industry and then in the renewable energy sector. He co-founded the waste to energy business Bio-Gen Power Ltd and sold stakes to Ener-G Holdings PLC in 2007 and to FTSE 100 company International Power in 2008. He sold the company in 2010.
Subsequently, James commissioned the feasibility study and obtained planning permission for the development of the £984 million 1,500 megawatt combined cycle gas turbine power plant at Thorpe Marsh in North Doncaster in partnership with Acorn Power and GE. In 2014, he sold the development to GE. Latterly James has been involved in a cyber business that sells its product into a number of NHS hospitals development.
CEO & Founder

Jonathan Turner
Chief Financial Officer
Jonathan qualified as a Chartered Accountant in 2003 with the Institute of Chartered Accountants of England and Wales and an Associate Member of the Association of Corporate Treasurers in 2013. Jonathan has a degree in Physics from the University of Oxford.
Jonathan started his career as a tax advisor with Smith & Williamson in London where he provided tax advisory and compliance services to a range of clients from listed groups to owner managed businesses. When he qualified Jonathan, moved to Ernst & Young, originally joining the Banking & Capital Markets team before spending 6 years with the International Tax Services Group where he advised listed businesses on international expansion, acquisition structuring and financing.
In 2010, Jonathan joined Synergy Health plc as Head of Tax & Treasury - later also becoming the Group Company Secretary and a member of the Senior Executive Board. Synergy Health plc was a FTSE250 business providing clinical sterilisation services to hospitals and the medical device sector amongst others, and was acquired by STERIS plc (a NYSE listed provider of infection prevention and procedural surgical products and services for £1.4bn in 2015. In 2017, Jonathan joined Oxford Instruments plc, a FTSE 250 provider of high technology products, systems and tools to leading industrial companies and scientific research communities as Divisional Finance Director for the NanoScience and Magnetic Resonance Divisions, and became Group Director of Accounting, Tax & Treasury in 2020.
Jonathan qualified as a Chartered Accountant in 2003 with the Institute of Chartered Accountants of England and Wales and an Associate Member of the Association of Corporate Treasurers in 2013. Jonathan has a degree in Physics from the University of Oxford.
Jonathan started his career as a tax advisor with Smith & Williamson in London where he provided tax advisory and compliance services to a range of clients from listed groups to owner managed businesses. When he qualified Jonathan, moved to Ernst & Young, originally joining the Banking & Capital Markets team before spending 6 years with the International Tax Services Group where he advised listed businesses on international expansion, acquisition structuring and financing.
In 2010, Jonathan joined Synergy Health plc as Head of Tax & Treasury - later also becoming the Group Company Secretary and a member of the Senior Executive Board. Synergy Health plc was a FTSE250 business providing clinical sterilisation services to hospitals and the medical device sector amongst others, and was acquired by STERIS plc (a NYSE listed provider of infection prevention and procedural surgical products and services for £1.4bn in 2015. In 2017, Jonathan joined Oxford Instruments plc, a FTSE 250 provider of high technology products, systems and tools to leading industrial companies and scientific research communities as Divisional Finance Director for the NanoScience and Magnetic Resonance Divisions, and became Group Director of Accounting, Tax & Treasury in 2020.
Chief Financial Officer

Robert Barr
Senior Independant Non-Executive Director
Robbie is an experienced operator and director having spent the majority of his executive career with Vodafone Group Plc where he held senior executive positions, including Group Financial Controller and CFO of the Group's operations outside Western Europe. Robbie is a Senior Advisor to OMERS Private Equity and Infrastructure in Europe, a Non-Executive Director of Associated British Ports Holdings and VTG Gmbh, the European railway wagon lessor and Chairman of Kemble Ventures.
Robbie was formerly Chairman of Vue International from 2020 to 2022, Executive Chairman of Four Seasons Health Care from 2014 to 2018 and of Odeon & UCI Cinemas from 2012 to 2016. From 2009 to 2015 he was a managing director of the private equity firm Terra Firma Capital Partners.
Robbie is an experienced operator and director having spent the majority of his executive career with Vodafone Group Plc where he held senior executive positions, including Group Financial Controller and CFO of the Group's operations outside Western Europe. Robbie is a Senior Advisor to OMERS Private Equity and Infrastructure in Europe, a Non-Executive Director of Associated British Ports Holdings and VTG Gmbh, the European railway wagon lessor and Chairman of Kemble Ventures.
Robbie was formerly Chairman of Vue International from 2020 to 2022, Executive Chairman of Four Seasons Health Care from 2014 to 2018 and of Odeon & UCI Cinemas from 2012 to 2016. From 2009 to 2015 he was a managing director of the private equity firm Terra Firma Capital Partners.
Senior Independent NED

Elizabeth Shanahan
Independent Non-Executive Director (appointed 21 September 2021)
Liz is currently a non-executive director of two other AIM-listed businesses, Advanced Medical Solutions plc and Inspiration Healthcare Group plc. She is a former non-executive director of UDG Healthcare plc, a company that was listed on the London Stock Exchange and a constituent of the FTSE 250 up until its £2.8 billion takeover, which completed in August 2021.
Liz is a life sciences entrepreneur with extensive experience advising leading global pharmaceutical and healthcare organisations. She is a Co-founder of Kingdom Therapeutics Ltd. Until 2014, she was Global Head of Healthcare & Lifesciences at the NYSE-listed management consultancy, FTI Consulting Inc., who had in 2007 acquired the communications business, Santé Communications, which she founded in 1995. Liz is a Trustee of CW+, the charitable arm of Chelsea & Westminster Foundation Trust Hospital in London and a member of the organisation’s Innovations Advisory Board.
Liz is currently a non-executive director of two other AIM-listed businesses, Advanced Medical Solutions plc and Inspiration Healthcare Group plc. She is a former non-executive director of UDG Healthcare plc, a company that was listed on the London Stock Exchange and a constituent of the FTSE 250 up until its £2.8 billion takeover, which completed in August 2021.
Liz is a life sciences entrepreneur with extensive experience advising leading global pharmaceutical and healthcare organisations. She is a Co-founder of Kingdom Therapeutics Ltd. Until 2014, she was Global Head of Healthcare & Lifesciences at the NYSE-listed management consultancy, FTI Consulting Inc., who had in 2007 acquired the communications business, Santé Communications, which she founded in 1995. Liz is a Trustee of CW+, the charitable arm of Chelsea & Westminster Foundation Trust Hospital in London and a member of the organisation’s Innovations Advisory Board.
Independent NED

David Firth
Independant Non-Executive Director
David is a Fellow of the Institute of Chartered Accountants in England and Wales and a highly experienced Plc board member. He is a non-executive director of Parity Group Plc, an IT services and consultancy business, and chairman of its Remuneration and Audit Committees. David is also a non-executive director and Audit Committee Chairman of Best of the Best plc, an organiser of weekly competitions to win cars and other luxury prizes, and a non-executive director and chairman of the Audit Committee of i-Nexus Global Plc, a strategy execution software company.
Previously he was the finance director of Penna Consulting plc from 1999 to 2016. David has held a number of board positions in public companies over the past 30 years across various sectors including HR consultancy and recruitment, IT services, financial markets, motor retailing and advertising.
David is a Fellow of the Institute of Chartered Accountants in England and Wales and a highly experienced Plc board member. He is a non-executive director of Parity Group Plc, an IT services and consultancy business, and chairman of its Remuneration and Audit Committees. David is also a non-executive director and Audit Committee Chairman of Best of the Best plc, an organiser of weekly competitions to win cars and other luxury prizes, and a non-executive director and chairman of the Audit Committee of i-Nexus Global Plc, a strategy execution software company.
Previously he was the finance director of Penna Consulting plc from 1999 to 2016. David has held a number of board positions in public companies over the past 30 years across various sectors including HR consultancy and recruitment, IT services, financial markets, motor retailing and advertising.
Independent NED

Dr Steven Hajioff
Independant Non-Executive Director
Steve has been a leader in healthcare and health policy for thirty years. He was the Chairman of the Representative Body of the British Medical Association (BMA) from 2010 to 2013 and has worked as a Medical Director or Chief Medical Officer in several organisations including Bupa Health Dialog, Totally PLC and Pain Management Solutions Ltd.
He previously advised NHS England on specialized services, including rare disease, orphan drugs and low-volume high cost procedures and has been an adviser to the National Institute for Health and Care Excellence (NICE) in a range of capacities since 2012. He is currently a member of their Quality Standards Advisory Committee.
He was, until recently, a Director of Public Health and a member of the Governing Body of a Clinical Commissioning Group in west London. Steve runs his own consultancy business and specialises in healthcare market access and reimbursement, clinical opportunity analysis and health policy.
Steve is currently the Chief Medical Officer at Knowde Group Inc. He is also a Senior Lecturer at Imperial College London. He was formerly a member of the Medical Ethics Committee of the British Medical Association; one of the most influential bodies in UK clinical ethics.
In June 2015, the British Medical Association awarded Steve their highest honour, the Gold Medal for Distinguished Merit.
Steve has been a leader in healthcare and health policy for thirty years. He was the Chairman of the Representative Body of the British Medical Association (BMA) from 2010 to 2013 and has worked as a Medical Director or Chief Medical Officer in several organisations including Bupa Health Dialog, Totally PLC and Pain Management Solutions Ltd.
He previously advised NHS England on specialized services, including rare disease, orphan drugs and low-volume high cost procedures and has been an adviser to the National Institute for Health and Care Excellence (NICE) in a range of capacities since 2012. He is currently a member of their Quality Standards Advisory Committee.
He was, until recently, a Director of Public Health and a member of the Governing Body of a Clinical Commissioning Group in west London. Steve runs his own consultancy business and specialises in healthcare market access and reimbursement, clinical opportunity analysis and health policy.
Steve is currently the Chief Medical Officer at Knowde Group Inc. He is also a Senior Lecturer at Imperial College London. He was formerly a member of the Medical Ethics Committee of the British Medical Association; one of the most influential bodies in UK clinical ethics.
In June 2015, the British Medical Association awarded Steve their highest honour, the Gold Medal for Distinguished Merit.
Independent NED
SENIOR LEADERSHIP TEAM

Arthur Wakeley
Managing Director
Experienced strategy consultant at McKinsey, with wide ranging experience across strategy, growth, digital innovation, and business building. Previously M&A investment banking at Lazard.
Experienced strategy consultant at McKinsey, with wide ranging experience across strategy, growth, digital innovation, and business building. Previously M&A investment banking at Lazard.
Managing Director

Iqbal Gill
Chief Scientific Officer
25 years of experience in the natural products, pharmaceutical, biotechnology and chemical industries. 5+ years of extensive R&D experience in cannabinoids, especially formulation and delivery.
25 years of experience in the natural products, pharmaceutical, biotechnology and chemical industries. 5+ years of extensive R&D experience in cannabinoids, especially formulation and delivery.
Chief Scientific Officer

Burleigh Abbott
Head of Quality
35 years of experience in big pharma and early-stage biopharma, across GMP Manufacturing, MHRA and FDA audits and licence registrations. Joining Celadon from Porton Biopharma, having previously worked at GSK and Pfizer.
35 years of experience in big pharma and early-stage biopharma, across GMP Manufacturing, MHRA and FDA audits and licence registrations. Joining Celadon from Porton Biopharma, having previously worked at GSK and Pfizer.
Head of Quality
Founders

Paul Allen
Co-Founder
Paul Allen is the Co-Founder of Celadon Pharmaceuticals Plc.
Paul Allen is the Co-Founder of Celadon Pharmaceuticals Plc.
Co-Founder

James Short
Co-Founder
Co-Founder