Our People

Our team inspiring a sustainable change to the future of healthcare

Leadership

Humphrey Bacchus
CEO | Founder Invivo Diagnostics | Co-Founder Invivo Therapeutics

Humphrey Bacchus

CEO | Founder Invivo Diagnostics | Co-Founder Invivo Therapeutics

Humphrey joined Invivo as Director of Clinical Services in 2014 after a decade of clinical practice. Progressing to Managing Director in 2016 to CEO in 2020. Humphrey’s vision for microbiome-centred medicine and responsible business practice has helped develop Invivo's clinical diagnostics and therapeutics, as well as B Corp certification.

Louise Joyce
Business Development Director | Co-Founder Invivo Therapeutics

Louise Joyce

Business Development Director | Co-Founder Invivo Therapeutics

Louise is an Australian-trained Naturopath with 20 years of industry experience. Louise had her own clinical practice before working for industry-leading clinical healthcare companies both in Australia and the UK. Louise joined Invivo in 2017 as Business Development Director. Louise Co Founded Invivo Therapeutics whilst also developing the Clinical Education team.

Faye Ingram
Finance Director

Faye Ingram

Finance Director

Faye has a first class honours degree in Accounting and Financial Management with Business Management and is a Chartered Management Accountant. Faye has worked across several industries in her career and has been with Invivo since 2017 as Finance Director. Faye is the Treasurer Trustee for a mental wellbeing charity and a qualified running coach.

Eviatar Natan
Eviatar Natan, PhD
Science & Innovation Director

Eviatar Natan, PhD

Eviatar Natan
Science & Innovation Director

Eviatar has a PhD in Biophysics at Cambridge University, spending a semester at the Koch Institute, MIT. Following his PhD, his research included the Gut-Microbiome-Axis (Washington University), Bioinformatics and Cell Biology (Wellcome Sanger Institute) and Nanopores (Oxford University). Eviatar has since led both the commercial and science efforts for several startup companies.

Don Maree
Founder

Don Maree

Founder

Don founded Invivo in March 2007. With a background in human health and performance, Don was motivated to find the highest quality tools to drive improvement. Invivo has been a leader, shaped by innovation and incredible people. This continues as the company pioneers new frontiers in this exciting and wonderous space.

Non-Executive Directors

Nick Richards
Nick Richards
Non-Executive Director

Nick Richards

Nick Richards
Non-Executive Director

Nick has been in business for over 30 years at board level, as Commercial Director, Managing Director, Non-Executive Director and Chairman. Nick is a certified GDPR Practitioner, is CIPP/E qualified and has acted as DPO and provided data privacy advice across a number of sectors including healthcare and the charity sector. Nick comes armed with a wealth of experience in business planning, growth, fund-raising, structure/restructure, mergers & integration, acquisitions and company sales, sales and marketing including brand creation and development.

John
John Panczak
Non-Executive Director

John Panczak

John
Non-Executive Director

John qualified as a Chartered Accountant with PwC in London. John has acted as FD/CFO for several fast growth companies in UK and US, was involved in setting up JV’s in the biotech sector, co-founder of a biotechnology company raising an initial £3m and was Group FD of a software company that floated on AIM raising >£20m. For many years he was European Commercial Director for a highly successful US owned ERP organisation that dominated its market with operations in UK and France and helped establish companies in Germany and Ireland.

Management

Belinda Gilbert
Buying & Compliance Manager

Belinda Gilbert

Buying & Compliance Manager

Belinda studied Food & Nutrition in Australia, then moved to Canada, Bermuda and the UK, where she developed a keen interest in natural and organic products. After a long stint working as a buyer for an organic grocery chain, she joined Invivo in 2017 as the Buying and Compliance Manager. She is currently studying beekeeping and is Invivo's resident sourdough aficionado.

Sian Elliott
Customer Services Manager

Sian Elliott

Customer Services Manager

Sian has many years of customer service experience across different industries, both in the UK and Zimbabwe, where she is from. Sian is one of the original team and has helped in all departments as the company has grown.

Katherine Woolfood
Katherine Woolfood
People & Purpose Manager

Katherine Woolfood

Katherine Woolfood
People & Purpose Manager

After completing a history degree, Katherine went into HR, completing her post-grad studies in HR and is now a Chartered Member of CIPD. She has 25 years' experience in HR, working in a variety of roles, organisations and industries and joined Invivo as People and Purpose Manager in April 2021

Manuela
Manuela Castro
Laboratory Manager

Manuela Castro

Manuela
Laboratory Manager

Manuela is an industrial Microbiologist with an M.Phil in Molecular Microbiology from Newcastle University.

She has 6 years' research experience within the Centre for Bacterial Cell Biology where she developed herself as a scientist in conjunction with laboratory management skills.

Kath Child
Katharina Child
Environment & Sustainability Manager

Katharina Child

Kath Child
Environment & Sustainability Manager

Kath has a BSc in Forestry from University of Copenhagen and worked most of her professional life in project management in geospacial development and analysis. Kath moved to Stroud in 2011 where she founded a geospatial software consultancy. A personal interest in community and change making, saw her founding a community space focussing on textiles and sustainable living. Kath's first project with Invivo was to facilitate B Corp certification and to understand our environmental and social impact.

Clinical Education

Debbie Cotton
Debbie Cotton
Head of Clinical Education

Debbie Cotton

Debbie Cotton
Head of Clinical Education

After previous studies in music and early childhood education, Debbie found her way to naturopathy and completed an Advanced Diploma of Naturopathy, Bachelor of Health Science and a Masters of Integrative Psychotherapy. Debbie has been in clinical practice for over fifteen years, including time in the NHS, and has been a lecturer in health sciences throughout this time too. Debbie joined Invivo in 2018 as a part of the Clinical Education team and the Product Development team.

Naomi Jones
Clinical Education

Naomi Jones

Clinical Education

Naomi is a Nutritional Therapist and joined the Clinical team in 2019. After 20 years managing customer relationships in travel industry and airlines, Naomi enjoys supporting practitioners with understanding how best to use Invivo's diagnostics and therapeutics in their clinical practice to get the best outcomes with their clients. As an NT, Naomi is passionate about helping the physical and mental health of business travellers and travel industry professionals and has always had a keen interest in gut health, which has grown into a love of all microbiomes through her time at Invivo.

Emily Blake
Emily Blake
Clinical Education

Emily Blake

Emily Blake
Clinical Education

Emily started her career as an archaeologist specialising in prehistoric human nutrition before training as a Nutritional Therapist to translate her enthusiasm for human nutrition into personalised, cutting-edge nutritional and lifestyle medicine. Emily has five years of clinical experience within the industry from running her own private practice, working within the supplement industry, and lecturing in Nutritional Therapy around the country.

Lesley Harper
Lesley Harper
Clinical Education

Lesley Harper

Lesley Harper
Clinical Education

After a previous career as an engineer, Lesley’s own health issues led her to explore nutritional therapy as an option to support her health. Benefiting significantly, Lesley’s interest in the subject was ignited and she made the decision to retrain in order to practice and promote the development of nutritional therapy. Lesley has been providing individual consultations and workshops to various organisations, course tutor and for several years ran nutrition workshops for fitness retreats and has provided sessions for first and second-year medical students. Lesley continues to run a private practice specialising in clients with chronic gut issues.

Laboratory Team

Agapi
Agapi Theodoridou
Laboratory Scientist

Agapi Theodoridou

Agapi
Laboratory Scientist

Agapi has a BSc (Hons) in Biomedical Science from University of the West of England. Following her graduation, she worked as a Biochemical Lab technician focusing on ELISAs and PCR. Agapi is currently a Laboratory Scientist at Invivo Diagnostics focussing on the Oral, Vaginal Microbiome, ELISA and PCR testing. In September 2021 she will be studying an MSc in Prenatal Genetics and Foetal Medicine at UCL.

Mercedes
Mercedes Wright
Laboratory Technician

Mercedes Wright

Mercedes
Laboratory Technician

Mercedes attained a level 5 certificate of higher education in Animal Science while studying at the University of the West of England. After her studies she worked for two years as a microbiologist before joining Invivo as a Laboratory Technician. Mercedes focus is DNA and protein extractions alongside ELISAs.

Tarn
Tarn Williams
Systems Integrator

Tarn Williams

Tarn
Systems Integrator

Tarn graduated from The University of Manchester having completed a BSc in Biomedical Sciences. During his degree, he carried out a year's internship working for Boehringer Ingelheim in Vienna, where he focused on DNA and RNA sequencing, as well as laboratory robotics. Currently, he is working at Invivo Diagnostics part time as he completes his Computer Science MSc at The University of Bristol. He is responsible for programming and maintaining our Opentrons robot, as well as maintaining the company's data.

Estela
Estela Michail
Laboratory Technician

Estela Michail

Estela
Laboratory Technician

Estela has a bachelor's degree from the University of Bristol where she studied Neuroscience. Since then, she has worked in a lighthouse testing lab in Newport processing COVID-19 samples. Now, she works as a Laboratory Technician at Invivo Diagnostics.

Marina
Marina Johnson
Laboratory Scientist

Marina Johnson

Marina
Laboratory Scientist

Marina has BSc Cancer Biology and Immunology & MSc Research in Cellular and Molecular Medicine. She is currently a Laboratory Scientist at Invivo Diagnostics with focus on the GI Microbiome and R&D.

Sophie
Sophie Cleaver
Laboratory Technician

Sophie Cleaver

Sophie
Laboratory Technician

Sophie has a BSc in Biochemistry from Royal Holloway University. Following that she completed a Masters by Research there, with research into quantifying antibodies and immunology. Now she works as a Laboratory Technician at Invivo.

HQ Team

Alice
Alice Hamblin
Compliance & Facilities Coordinator

Alice Hamblin

Alice
Compliance & Facilities Coordinator

Justyna
Justyna Gomes
Warehouse & Laboratory Services Assistant

Justyna Gomes

Justyna
Warehouse & Laboratory Services Assistant

Matt
Matt Howson
Laboratory Services Lead

Matt Howson

Matt
Laboratory Services Lead

Jack
Jack Fry
Finance Assistant

Jack Fry

Jack
Finance Assistant

Jack studied completed his bachelor's degree in International Business and spent a Sandwich year in the Netherlands focusing on business ethics and sustainability. His dissertation focused on building trust and reputation in Indian Foreign Exchange markets.

Rob
Rob Haines
Office Administrator

Rob Haines

Rob
Office Administrator

Tessa
Tessa Hathaway
Assistant Finance Manager

Tessa Hathaway

Tessa
Assistant Finance Manager

Tessa joined Invivo in April 2019 as the Assistant Finance Manager. Tessa is AAT and Prince 2 qualified.

Laura
Laura Radley
Warehouse & Laboratory Services Assistant

Laura Radley

Laura
Warehouse & Laboratory Services Assistant

Scientific Advisory

Dr Tim Mak
Dr Tim Mak
PhD

Dr Tim Mak

Dr Tim Mak
PhD

Dr Tim Mak is a medical microbiologist who completed post-doctoral research at the University of Cambridge, working on the gut microbiota and epigenomics in paediatric gastrointestinal health and disease. He was also a visiting scientist at the Sanger Institute before working as a Senior Scientist in Janssen, a J&J company, where he led and managed projects on oncology, microbiome, and vaccinology. He has 10 years' international experience in pharmaceutical industry drug discovery while also acting as an advisor for venture capitals and biotech start-ups.

Dr David Moyes
Dr David Moyes
PhD

Dr David Moyes

Dr David Moyes
PhD

Dr David Moyes gained his PhD from Imperial College London before working at the Kennedy Institute of Rheumatology investigating the link between microbes and rheumatoid arthritis. At King's College, he was part of a team that identified the central mechanisms by which epithelial cells discriminate between commensal and invasive forms of Candida albicans. The Moyes lab at King's College London studies the interactions between the human host and the microbiota that reside at the different mucosal surfaces, including the bacteria, fungi, and viruses. David is also a lecturer in host-microbiome in the Centre for Host-Microbiome interactions.

Dr Angela Nobbs
Dr Angela Nobbs
PhD

Dr Angela Nobbs

Dr Angela Nobbs
PhD

Dr Javier Ochoa Reparaz
Dr Javier Ochoa Reparaz
PhD

Dr Javier Ochoa Reparaz

Dr Javier Ochoa Reparaz
PhD

Dr Javier Ochoa-Reparaz is an Assistant Professor at Eastern Washington University. His research is focussed on host-microbial gut interactions and mechanisms of immunomodulation associated with protection against CNS inflammatory demyelination, with a particular focus on the impact of gut microbes regulating disease. Javier obtained his BSc and PhD in Cellular and Molecular Biology at the University of Navarra in Spain. He received postdoctoral training at Montana State University and at Geisel School of Medicine at Dartmouth College. Javier has industry experience as a senior scientist with a focus on neuroimmunology and drug development.

Clinical Advisory

Leah Hechtman
PhD (Candidate), MSciMed (RHHG), BHSc(Nat), FNHAA

Leah Hechtman

PhD (Candidate), MSciMed (RHHG), BHSc(Nat), FNHAA

Leah is an experienced and respected clinician and has been in private practice for over 20 years. She specialises in fertility, pregnancy and reproductive medicine and holds fellowships and memberships with many International organisations. She sits on multiple Scientific Advisory boards and is a Past President of the NHAA.

She has completed extensive advanced training and is currently completing her PhD through the School of Women’s and Children’s Health (Faculty of Medicine [UNSW]). Her research is exploring ovarian biomarkers in women with Polycystic Ovarian Syndrome (PCOS) and Premature Ovarian Failure (POF).

Leah is the Director of The Natural Health and Fertility Centre, in Sydney Australia. Over the years she has helped thousands of couples conceive healthy, vibrant children often in situations where they were told there was no hope left.

She is a keynote speaker at conferences locally and internationally to both the functional and complementary medicine communities as well as the wider fertility and gynaecological areas of medicine. She is the author of multiple seminal naturopathic textbooks and is a contributor to journals and other texts within the Naturopathic and Functional Medicine areas as well as general gynaecology, fertility and infertility.

Most importantly, she is a mother to two gorgeous boys who keep her grounded, humbled and consciously aware.

Moira Bradfield
Moira Bradfield
PhD (Candidate), M ACU, B NAT

Moira Bradfield

Moira Bradfield
PhD (Candidate), M ACU, B NAT

Moira is a PhD Candidate at Griffith University in the area of the vaginal microbiome and recurrent vaginal infections. Moira also holds a Bachelor of Naturopathy from Southern Cross University and a Master’s degree in Acupuncture from Southern Cross University. She has over 18 years of clinical experience as a Naturopath, Acupuncturist and educator. During this time she has developed specific interest and expertise in the treatment and assessment of recurrent vaginal infections, optimal vaginal and genitourinary health as well as hormones and the vaginal microbiome. She is the founder of Intimate Ecology clinical and education services.

Dr George Tzortzis
PhD (Microbiology & Glycobiology)

Dr George Tzortzis

PhD (Microbiology & Glycobiology)

Dr George Tzortzis completed his PhD in gut microbiology and glycobiology at Reading University in 2003. Since then George has been both Director of R&D and CSO at Clasado Biosciences, developing a 17-year track record of successful strategic and tactical leadership within the biotech industry. He has a consistent track record of successfully handling all complexities pertaining to therapeutic discovery, pre-clinical and clinical studies, and international regulatory compliance; while holding nine patents in the area of gut microbiota/microbiome and health.

Dr Andrea Monteagudo
PhD (Microbiology)

Dr Andrea Monteagudo

PhD (Microbiology)

Dr Andrea Monteagudo completed her microbiology PhD at the University of Leon. Andrea’s primary research has focused on the evaluation of the potential probiotic of lactic acid bacteria strains. She has also assessed several intrinsic characteristics of different strains of probiotics, including, gastric and bile tolerance, antimicrobial activity, adhesion ability to intestinal cells. Before joining Reading University, she was a post-doctoral researcher, with Dr Andrea Azcarate at the Microbiome Core Facility. Currently, she is a post-doctoral researcher investigating the influence of iron in modulating the composition and metabolism of the microbiota.

Victoria Sampson
Dr Victoria Sampson
BDS U(Lon), MFDS, RCS Ed

Dr Victoria Sampson

Victoria Sampson
BDS U(Lon), MFDS, RCS Ed

Dr Victoria Sampson obtained her Bachelor in Dental Surgery from Barts and the London School of Dentistry and Medicine, where she was also chosen to represent the UK in a four-month training program at the renowned Karolinska Institute in Sweden. She then completed her Foundation Training in central London, ranking in the top 100 newly qualified dentists in the country. Victoria endeavours to deliver the highest standard of care to her patients through sound academic knowledge and good communication skills. She is particularly passionate about encompassing all aspects of health into achieving a healthy and aesthetically pleasing mouth. Victoria pays particular attention to the connection between the mouth and the rest of the body and sees the mouth as a mirror of general health. She uses biomarkers and inflammatory markers in her work to diagnose and monitor patients throughout their treatment, often working with other specialties to treat patients as a whole. She is able to communicate effectively with patients of all ages and strives to form lasting relationships with all of her patients. Victoria takes a preventative approach to dentistry, attempting to make treatment as minimally invasive as possible. This has allowed her to be ambassadors for some of the largest dental companies as well as consult for companies on their scientific advisory boards.