Skip to content

Leading with passion and expertise

Our people are our greatest asset. Backed by deep expertise in gene therapy manufacturing, polymer innovation, product commercialisation, technology translation, and revenue growth, our leadership team has a proven track record of turning innovative science into commercial success. Having held senior roles at companies including OXB, Cobra Biologics, Horizon Discovery, and Alere, they bring the technical, operational, and commercial experience needed to help Tozaro realise its vision and deliver transformative purification technologies to the market.

The Leadership Team

Jason Slingsby Image
Search Icon

Jason Slingsby

Chief Executive Officer
Jason Slingsby Image

Jason Slingsby

Chief Executive Officer

A renowned biotech leader, Jason has over 20 years of experience and demonstrated successes in business development, strategic partnering, M&A, fundraising and establishing and managing significant commercial relationships

Background Image
Guy Leaver Image
Search Icon

Guy Leaver

Chief Financial Officer
Guy Leaver Image

Guy Leaver

Chief Financial Officer

Guy is an experienced finance professional with a diverse background in technology leading international manufacturing organisations across medical devices, specialist electronics and speciality chemicals.  Guy has developed a strong skillset in business operations and management, successfully guided businesses through various financial undertakings including fund raising, M&A transactions and exits via trade sale or IPO, while holding key positions in organisations such as Neoss, e2v technologies plc and CIBA Specialty Chemicals (formerly Allied Colloids Group Plc).

Background Image
Alan Thomson Image
Search Icon

Alan Thomson

Chief Scientific Officer
Alan Thomson Image

Alan Thomson

Chief Scientific Officer

Alan has over 20 years of experience in healthcare, specialising in diagnostics at Axis-Shield, Unilever, Unipath and Alere (formerly Inverness Medical) during his career. His roles have involved managing fundamental research, technical scouting, product launch and manufacturing, and on-market support for a number of diagnostic products. Alan has extensive experience of all aspects of the product launch cycle, including taking the Alere HeartCheck product from the patent stage as an inventor to full market launch with CE Marking and ISO Accreditation.

Background Image
Bea Burke Image
Search Icon

Bea Burke

Chief Commercial Officer
Bea Burke Image

Bea Burke

Chief Commercial Officer

Dr Bea Burke has an extensive background in building successful business through technology translation and strategic partnering, focusing particularly on the application of technologies such as gene editing and next generation sequencing. Working in different sized businesses including Horizon Discovery and Sigma Aldrich, Dr Burke has led across multiple functions including sales, corporate development, strategy, and product management.

Background Image
Daniel Smith Image
Search Icon

Daniel Smith

Chief Technical Officer
Daniel Smith Image

Daniel Smith

Chief Technical Officer

Professor Daniel C. Smith has extensive experience in biochemistry, molecular cell biology, and leadership roles within the scientific and business sectors. His career highlights include serving as the Chief Scientific Officer at the UK/Sweden based CDMO Cobra Biologics, both prior to and during its acquisition, first by Cognate Bioservices, and subsequently by Charles River Laboratories. In his current role at That’s Nice, as Chief Science Officer he oversees the scientific direction of the market insights division, supports the strategic marketing function and leads the consultancy arm . Additionally, as the Owner and Principal Consultant of BIOCODEX Limited, he offers strategic support to clients in innovation and technology.

Background Image

The Board

Michele Pedrocchi Image
Search Icon

Michele Pedrocchi

Chair of the Board
Michele Pedrocchi Image

Michele Pedrocchi

Chair of the Board

Michele Pedrocchi is an experienced international Life Science Executive, as Non-Executive Director. He has previously spent 27 years at Roche Diagnostics in various senior roles including Global Head of Strategy and Business Development for the Diagnostics division. Michele has built over 25 years of international management expertise in healthcare within corporate strategy, commercial and business development. He brings significant knowledge of diverse business segments including fully regulated healthcare products, life science, precision medicine and digital health products.

Background Image
Mark Payton Image
Search Icon

Mark Payton

Mercia Asset Management
Mark Payton Image

Mark Payton

Mercia Asset Management

Dr Mark Payton has extensive private investment and scale-up experience. Since co-founding Mercia he has led the sales of Hybrid Systems (to Myotec) to create PsiOxus Therapeutics Ltd, Warwick Effect Polymers Ltd (to Polytherics Ltd) to create Abzena plc and led the founding investment in Allinea Software Ltd (sold to ARM). Prior to Mercia, Mark played a leading role within Oxford University Innovation (“OUI”, the technology transfer operation of the University of Oxford), spinning out BioAnalab (sold to Millipore), Oxford Immunotec (listed on NASDAQ), Oxitec (sold to Intrexon) and Natural Motion (sold to Zynga).

Background Image
Jason Slingsby Image
Search Icon

Jason Slingsby

Chief Executive Officer
Jason Slingsby Image

Jason Slingsby

Chief Executive Officer

A renowned biotech leader, Jason has over 20 years of experience and demonstrated successes in business development, strategic partnering, M&A, fundraising and establishing and managing significant commercial relationships

Background Image
Guy Leaver Image
Search Icon

Guy Leaver

Chief Financial Officer
Guy Leaver Image

Guy Leaver

Chief Financial Officer

Guy is an experienced finance professional with a diverse background in technology leading international manufacturing organisations across medical devices, specialist electronics and speciality chemicals.  Guy has developed a strong skillset in business operations and management, successfully guided businesses through various financial undertakings including fund raising, M&A transactions and exits via trade sale or IPO, while holding key positions in organisations such as Neoss, e2v technologies plc and CIBA Specialty Chemicals (formerly Allied Colloids Group Plc).

Background Image

Technical Advisory Board

Phil Vanek Image
Search Icon

Phil Vanek

Technical Advisory Board Chair
Phil Vanek Image

Phil Vanek

Technical Advisory Board Chair

An entrepreneurial and strategic international business leader, Phil joined Gamma Biosciences in 2020 from Cytiva’s Cell and Gene Therapy business. Alongside this, Phil is a board Member of CCRM Enterprises in Toronto Canada and a Board Member of the Foundation for Cell and Gene Medicine. He is also a mentor for the Creative Destruction Lab (CDL) entrepreneurship program, and an advisor to several life sciences companies. Phil received his Ph.D. in Biochemistry and Molecular Biology at Georgetown University Medical Center and completed his postdoctoral training at the National Cancer Institute in Maryland. 

Background Image
Carl Schoellhammer Image
Search Icon

Carl Schoellhammer

Technical Advisory Board Member
Carl Schoellhammer Image

Carl Schoellhammer

Technical Advisory Board Member

Carl leads DeciBio’s advanced therapies practice. He brings experience across biopharma, manufacturing / bioprocessing, and supply chain considerations for his clients. He has executed on projects ranging from pipeline prioritization / life cycle management, indication road mapping, growth strategy, and M&A projects across healthcare, life science tools, and pharma (cell and gene therapies). Prior to DeciBio, Carl co-founded and ran Suono Bio, a venture-backed startup where he drove fundraising and executed multiple partnerships and strategic transactions. Carl holds a B.S. from the university of California, Berkeley, and a Ph.D. from MIT where he trained with Professor Robert Langer.

Background Image
Nicholas Clarkson Image
Search Icon

Nicholas Clarkson

Technical Advisory Board Member
Nicholas Clarkson Image

Nicholas Clarkson

Technical Advisory Board Member

Nick Clarkson has over 20 years’ experience in research and development in cell and gene therapy and immunology. He is currently Vice President and Head of Process Development at OXB which is a world leading viral vector CDMO.  He has held senior leadership roles in innovation and analytical development. This gives him a breadth of experience spanning basic research and development in viral vector manufacturing platforms, through to scale up for GMP manufacturing and validation for commercial products.

Background Image

I lead Marketing and Commercial Operations at Tozaro. What I love most about working here is the potential of the technology – it’s rare to be part of something that can have such a broad impact. Smart Polymers have the opportunity to improve bioprocessing workflows, not only for viral vectors but across the wider biologics industry, and it’s exciting to help bring that vision to market.

Keli Stockbridge | Head of Marketing and Commercial Operations
Keli Stockbridge | Head of Marketing and Commercial Operations Image

Since joining Tozaro, I’ve had the opportunity to combine my passion for analytical science and chemical biology with the exciting challenge of supporting innovation in cell and gene therapy. I work on developing robust analytical methods to support the characterisation and purification of Smart Polymers and complex biological molecules, helping guide scientific and project decisions. What keeps me motivated is the variety of challenges each project brings. I enjoy digging into complex analytical problems, learning something new along the way, and collaborating with a talented multidisciplinary team to turn ideas into practical solutions.

Luke Spear | Senior Analytical Scientist
Luke Spear | Senior Analytical Scientist Image