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Follow these scientists working to get us safe and effective Covid vaccines. Ask them anything.

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Featured Guides

These volunteers are making short videos on TikTok and Instagram to explain their part in the vaccine effort.


Dr Ayede Ologun

Dr Ayede Ologun is a General Practitioner in Manchester, England. Her day to day consulting has been largely influenced by the pandemic and roll out of the vaccine, answering questions and addressing concerns regarding the vaccines and being trained in vaccine delivery. 

Ayede is a Clinical Supervisor and an OSCE Examiner. She sits on the Royal College of General Practitioner North West Faculty Board as the Treasurer and Lead on Mid-Career GPs. She is the General Secretary of Black Women in Health, UK. She is a motivational speaker and a Life Coach.

Outside work, Ayede is a Life coach, coaching women on embracing their authenticity so they can be their best selves and give their best to others. Ayede also speaks at medical events and gives motivational talks. She loves watching Korean dramas and listening to Korean music artists (BTS and Blackpink). She also likes travelling to new places, trying new dishes and cultures, gardening when she can and most importantly, spending time with her family. 


Dr Punam Krishan

Dr Punam Krishan is a Scottish NHS General Practitioner, Clinical lecturer, writer and media medic with a specialist interest in mental health, women and children’s health and lifestyle medicine. 

Punam is involved in the vaccination roll out at her practice and also being from a south asian background, she has been involved in educating her community around vaccine hesitancy as well as in the media.

Punam is a Glasgow girl with an Indian heart, a mum to two young children (one of whom was born in lockdown!). She is fluent in Hindi, Punjabi and Urdu. And also a keen runner and a qualified meditation teacher.


Shamaila Anwar

Shamalia is currently project managing the National Institute of Health Research ‘COVID and Me’ programme to address inclusivity in vaccine research and reaching underserved communities.

Dr Shamaila Anwar is a senior manager at the National Institute for Health Research where she has worked for the last 6 years managing key initiatives in Cancer, Surgery and Oral and Dental Health Research.

Shamaila completed her PhD in epidemiology at the University of Bradford and has a background in the development and management of clinical trials across a number of different specialty areas.  


Dr Natalia Pasternak

Natalia is a microbiologist specialising in molecular genetics of bacteria. She currently works as a visiting researcher at the University of Sao Paolo, at the Vaccine Development Laboratory. She is the Director-President of the Instituto Questão de Ciência (“a question of science”) and an outspoken advocate for scientific thought in public life. She is a columnist for the newspaper “O Globo” and is a regular media commentator on Covid-19 in Brazil.


Dr Ajay M Verma

Dr Ajay Verma is a Consultant Gastroenterologist and Physician working at Kettering General Hospital (KGH) in Northamptonshire, UK. Ajay treats patients with inflammatory bowel diseases and other chronic Gastroenterological disorders. He is an advocate for COVID vaccines, regularly posting social media content on the safety, efficacy and importance of vaccination for the benefit of patients, and fellow health care professionals.

Ajay has clinical interests in inflammatory bowel diseases, and early colorectal cancer. He is also an active clinical researcher and is the research and development director at KGH and the Gastroenterology Speciality lead for NIHR East Midlands clinical research network. Ajay is also a chief clinical information officer, a role he enjoys as KGH endeavours to be one of the most digitally advanced hospitals in the UK.  On a national level, Ajay is the chair of the New Consultants Committee at the Royal College of Physicians and sits on the SWiG (Supporting Woman in Gastroenterology) and Colorectal section committees for the British Society of Gastroenterology.  Ajay is active on Twitter, regularly posting #GastroTwearls: educational Gastroenterological content for health care professionals and patients.

Ajay enjoys spending time with family, his wife Vini is an Interventional GI Radiologist, his son Luca is 6, his daughter Bella is 4. He is a sports fanatic – Football, Cricket, Tennis, American Football. He plays badminton to a reasonable standard (his assessment). He also loves reading books – especially when on holiday!


Dr Simone Richardson

Dr Simone Richardson is a postdoctoral fellow in the Antibody Immunity Research Unit, University of the Witwatersrand and the National Institute for Communicable Diseases in Johannesburg, South Africa.

Simone’s work is focused on understanding how antibody function contributes to protection against COVID-19. Her team is focused particularly on how these can be used to protect HIV infected individuals from COVID-19. They are currently measuring these in South African vaccines to better understand which functions of antibodies are associated with vaccine protection.

Simone is a 2020 L’Oreal UNESCO postdoctoral fellow awarded for her work on COVID-19, and, an early career fellow of both the HIV Vaccine Trials Network and the Collaboration for AIDS Vaccine Discovery. She holds a diploma in science communication from Stellenbosch University and is passionate about lending her voice to science. 

Outside of work, Simone loves to cartoon, hike and read manga and historical non-fiction – never at the same time. She often can be caught being a total kid and building some form of Lego or annoying her Yorkshire Terrier. 


Jaqueline Goes de Jesus

Jaqueline Goes de Jesus is a biomedical scientist, in charge of the genetic sequencing of the new coronavirus in the first cases of Covid-19 in Latin America. She is currently working as a fellow at The São Paulo Research Foundation (FAPESP), as part of her post-doctorate at the São Paulo Institute of Tropical Medicine – University of São Paulo (IMT-USP), within the Brazil-UK Centre for Arbovirus Discovery, Diagnosis, Genomics and Epidemiology (CADDE). Jaqueline also carries out research in the field of the following emerging arboviruses: ZIKV, DENV, CHIKV, YFV, ORV and MAYV.


Dr Omon Imohi

Dr. Omon Imohi Md MRCGP DFSRH is a multiple award-winning NHS Family physician. She is involved in supporting the roll out of the Covid-19 vaccine and has been raising awareness around the vaccine to educate people on it’s importance, and to empower them to make informed decisions.

Omon attained her first degree at Windsor University School of Medicine (MD). She is a member of the Royal College of General Practitioners UK (MRCGP) and a Diplomate of the Faculty of Sexual and Reproductive Health (DFSRH). She is an Elected council member of the Royal College of General Practitioners. She is also a GP community tutor for Liverpool University.  

Omon is the founder of BWIH (Black Women in Health) a non-profit organisation born out of the need to connect, inspire, empower, and celebrate black women in healthcare in the UK. She was recently featured in the spring edition of the RCGP frontline magazine. Also featured in the September 2020 edition of the Royal College of Physician Magazine. She was awarded GP of the year 2019 by the Royal College of General Practitioners North West Faculty and won multiple audit awards, which have been published in the NICE guidelines as shared learnings. 

Omon is a self-starter with motivation, commitment, and drive to inspire and empower people to transform their lives by unleashing their maximum potential and achieving their dreams. She is a transformational speaker, a certified Life coach, Author and wife with 2 kids. 



Follow the people working on all aspects of science that will make these coronavirus vaccines safe and effective


Beate Kampmann


Dr Sanjay K Rai


Ritudhwaj Tiwari


Anurag Mishra


Michael Mina


Victor M. Corman


Jon Klein


Sandeep Panigrahi


Arthur Caplan


Mary Kesteffens


Institute for Health Metrics and Evaluation


Elisa Ramos Sevillano


Dr. Krutika Kuppalli


You can help too

Thousands of volunteers around the world are signing up to help trial these vaccines to make sure they’re safe and effective.

Find a trial near you


Team Halo is an effort to support and celebrate the inspiring collaboration between scientists all over the world to help us end this pandemic with safe and effective vaccines.

The ‘halo’ represents the ring of connected science that circles the globe.

All participation is voluntary. If you’re involved in the vaccine search and would like to be listed on this site, please get in touch.

Team Halo was established in partnership with the The Vaccine Confidence Project at the University of London’s school of Hygiene and Tropical Medicine. It is proud to collaborate with the UN Verified Initiative and Gavi, the Vaccine Alliance. Support is provided by Luminate, IKEA Foundation and the Global Challenges Foundation.