Insight
Women Who Lead: An interview with Malissa J. Wood, MD

By Women As One
Welcome to Women Who Lead, a series highlighting inspiring women leaders in cardiology who are shaping the future of cardiovascular medicine.
In this edition, we feature Dr. Malissa Wood, a distinguished cardiologist, physician executive, and champion for diversity and health equity.
Through her clinical leadership, programme-building, and advocacy, Malissa has advanced the care of women with cardiovascular disease while shaping more inclusive systems within medicine.
From founding landmark women’s heart health and SCAD programs to leading at the highest levels of organised cardiology, her work continues to strengthen opportunities for women physicians and improve health outcomes for women worldwide.
As Chief Medical Officer of Women As One, Dr. Wood leads the organisation’s medical and scientific activities, guiding clinical strategy, research, advocacy, and partnerships that advance equity for women in medicine.
What first drew you to cardiology, and what personal or professional experiences most shaped your leadership journey?
I was drawn to cardiology because it sits at the intersection of science, prevention, and human connection.
Early in my training, I became aware of how differently cardiovascular disease presents in women—and how often those differences were overlooked. That realisation shaped both my clinical focus and my leadership journey.
Professionally, stepping into roles where I could build programmes, mentor others, and address inequities—particularly in women’s heart health—made it clear to me that leadership is not about title, but about creating systems that serve people better.
Can you describe a defining moment when your leadership made a meaningful difference for a patient, colleague, or institution?
One defining moment was helping to establish a multidisciplinary women’s heart health programme at Massachusetts General Hospital in Boston.
Seeing improved outcomes for patients—and watching early-career clinicians grow into confident leaders within that programme—reinforced the power of intentional leadership. It reminded me that when you invest in people and structure, the impact multiplies far beyond any one individual.
How has the landscape for women leaders in cardiology changed since you began your career, and what still needs to shift?
There is far greater visibility of women leaders today than when I began my career, and conversations around equity are more open and data-driven.
That said, representation still drops off sharply at senior leadership levels, and women continue to shoulder disproportionate clinical, mentorship, and “invisible” work.
What still needs to shift is not just access, but accountability—ensuring that leadership pathways are transparent, equitable, and sustainable.
What are the most persistent challenges facing women cardiologists in your country or region today?
Persistent challenges include pay inequity, lack of sponsorship, inflexible career structures, and the ongoing tension between professional advancement and personal responsibilities. Many women also face burnout from being asked to “do more” without the authority or resources to truly lead. Addressing these challenges requires structural—not just individual—solutions.
What leadership pathways are there for women cardiologists in your region, and where are opportunities still lacking?
Leadership pathways exist through academic promotion, professional societies, clinical programme development, and industry or nonprofit partnerships. However, opportunities are still lacking in early sponsorship, formal leadership training, and access to high-visibility roles that lead to executive positions. Too often, women are prepared but not positioned.
How is women’s leadership in healthcare viewed in your region, and what progress or resistance have you seen?
Women’s leadership is increasingly recognised as essential to high-quality, patient-centred care. We’ve seen progress in representation and advocacy, but resistance still shows up subtly—through unconscious bias, uneven expectations, and slower advancement.
True progress comes when women’s leadership is normalised, not exceptionalised.
What role do institutions and male colleagues need to play to truly accelerate gender equity in cardiology?
Institutions must commit to equity as a core value, supported by data, resources, and measurable outcomes. Male colleagues play a critical role as sponsors—opening doors, amplifying voices, and challenging inequities when they see them.
Gender equity is not a women’s issue; it is a leadership and quality issue.
In your view, what is the most urgent unmet need for women in cardiology today?
The most urgent unmet need is sustainable leadership infrastructure—clear pathways, protected time, and support systems that allow women to lead without burnout. Talent is not the limiting factor; opportunity and structure are.
What advice would you offer to early-career women cardiologists who want to lead, but may be unsure how to start?
Start by leading where you are. Seek mentors and sponsors, say yes to opportunities that align with your values, and don’t wait to feel “ready.”
Leadership is a skill that develops through action. Most importantly, remember that your perspective matters—especially in shaping the future of cardiovascular care.
Women like Malissa J. Wood, MD exemplify the vital role of leadership in advancing gender equality in healthcare and improving outcomes for women with cardiovascular disease. Supporting women in cardiology is essential not only for fairness but for better science and patient care.
The Women Who Lead series aims to uplift talented women in cardiology, raising their international profile and inspiring the next generation of women in cardiology. Join the Women As One community, The Pulse, today.
Mental health
Women with birth trauma face 2.5x higher healthcare costs – study

Women with childbirth-related PTSD had healthcare costs 2.5 times higher than women without PTSD from six to 12 months after birth, a report found.
The analysis estimated that early prevention of traumatic births and childbirth-related post-traumatic stress disorder (PTSD) could save the NHS around £26m each year.
Women with PTSD were also less likely to have returned to work by 12 months after giving birth, suggesting potential longer-term employment and economic effects.
The report from City St George’s, University of London was launched at an All-Party Parliamentary Group (APPG) on Birth Trauma event on 10 September 2026.
Researchers calculated the potential NHS savings using the number of births reported in NHS hospitals in 2024-25 and the UK prevalence of childbirth-related PTSD.
Around one in 20 women in the UK develop PTSD following childbirth, while recent research has shown that the condition remains underdiagnosed.
The findings draw on research that tracked more than 2,000 women in England and Scotland from pregnancy to two years after birth. Researchers assessed mental health, use of health services and employment outcomes.
The research included assessments of childbirth-related PTSD and PTSD arising from other traumatic experiences. It also included a separate Birth Trauma Association survey examining women’s experiences of birth trauma.
Between six and 12 months after birth, healthcare and support service costs for women with childbirth-related PTSD were 2.5 times those of women without PTSD.
Women with low or moderate symptoms, including those reporting one or two PTSD symptoms, also had higher healthcare service costs than women without PTSD.
Just over half, 53 per cent, of women with PTSD had returned to work by 12 months after giving birth, compared with 68 per cent of women without symptoms.
Women with PTSD were more likely to be referred for mental health support, but more than half received no referral.
Those whose PTSD followed a traumatic birth also had slightly higher healthcare costs than women whose PTSD resulted from other traumatic experiences.
The researchers called for routine PTSD assessment and treatment during pregnancy and after childbirth, alongside greater access to specialist perinatal mental health services.
They also recommended training healthcare staff in perinatal trauma, trauma-informed care and identifying women at risk of PTSD.
The report said further research was needed to establish whether screening, treatments and trauma-informed care pathways are effective and evidence based.
The work follows the APPG’s 2024 Birth Trauma Inquiry, which highlighted the effects of birth trauma on women and families and called for evidence on its wider public health and societal costs.
The report focused primarily on healthcare use and did not attempt to calculate all costs associated with birth trauma and postnatal PTSD, including wider employment, family and societal effects.
Insight
UK reviews surrogacy firm over rejected insurance claims

The UK government is reviewing a surrogacy firm after complaints that medical insurance claims involving surrogates in Mexico were rejected.
The Department of Health and Social Care (DHSC) is considering whether UK-based provider My Surrogacy Journey should remain listed on gov.uk as one of four domestic surrogacy agencies available to intended parents.
The review follows allegations concerning its Mexican sister company, where surrogates are based.
Health minister Diana Johnson said: “The department is looking into the allegations about My Surrogacy Journey.
“As part of that assessment, the department will consider whether it is appropriate for that company to remain on the gov.uk list of agencies.”
Emails sent by My Surrogacy Journey chief executive Michael Johnson-Ellis and seen by the Guardian suggest multiple surrogate women in Mexico had their insurance claims rejected.
The emails also suggest 300 couples using the company were moved to a new insurance provider because of the increased risk of claims being rejected.
Commercial surrogacy is banned in the UK, where only altruistic arrangements are permitted.
My Surrogacy Journey operates a not-for-profit UK branch alongside for-profit sister companies in Mexico and the US. All three companies have the same owners and chief executives.
The reported insurance issues relate to surrogacy arrangements in Mexico.
One couple told the Guardian they paid tens of thousands of pounds to cover medical costs after their surrogate had a hysterectomy during childbirth and an insurance claim was refused.
The Guardian said it understood that at least five sets of parents said they had to cover medical costs after insurance claims were rejected.
In an email to the couple whose surrogate underwent a hysterectomy, Johnson-Ellis wrote: “We have already told you that the insurance companies have been declining some of the claims and we are actively working with the broker to get this issue resolved but you should also consider that they may not be paid out and there is nothing we are able to do to change this …
“We appreciate this is not an insignificant sum but this genuinely is out of our control.”
Johnson-Ellis also said the company had switched insurance providers, writing: “We’re also managing this for 300 other journeys, which is a complex position to be in.”
Lawyers acting for My Surrogacy Journey said the company did not comment on individual cases, but that existing insurance policies were in place and claims continued to be accepted and processed.
They said the company understood that a small number of claims had been rejected and was supporting people seeking to resolve those claims with an insurer.
Under the surrogacy arrangements, intended parents are understood to be contractually required to cover medical costs not paid by an insurer.
The couple said they had been recommended the company’s Mexico option. Its website advertises that intended parents using the route can have a baby in “under 18 months”.
They said they were told the UK route could take up to five years and that the US option was much more expensive.
Lawyers for My Surrogacy Journey said prospective parents are given information about typical timelines, costs, legal frameworks and practical considerations, and that the 18-month timeframe is indicative only.
The couple said their surrogate developed placenta accreta, a serious condition in which the placenta attaches to the wall of the uterus.
Emails from Johnson-Ellis acknowledged that the insurance provider investigated the birth after the surrogate experienced health complications.
The parents are considering legal action, while the Guardian said it understood at least four other couples were reviewing their options.
Phil Brickell, MP for Bolton West, raised concerns in parliament about a separate couple who had used My Surrogacy Journey.
He said: “Two of my constituents recently travelled to Mexico, where their children were born by surrogacy.
“Those births were facilitated by a company called My Surrogacy Journey, which is listed on gov.uk.
“While in Mexico, they had repeated traumatic experiences with the company relating to issues including insurance for their children, accusations of bullying towards staff and repeated efforts to silence any constructive criticism.
“I understand that other members of this house have received similar complaints.”
Brickell called for My Surrogacy Journey to be removed from gov.uk pending a review by the Human Fertilisation and Embryology Authority.
Lawyers acting for My Surrogacy Journey said the company was communicating with DHSC and was confident any issues could be resolved.
Insight
Research uncovers potential new target for breast cancer therapy

Targeting CD1d altered immune cells slowed tumour growth and improved immunotherapy responses in mouse models of breast cancer, researchers found.
The findings suggest blocking the molecule could make the environment around breast tumours more favourable to anti-cancer immune responses.
Further work is needed to understand how these immune changes occur and how the approach could be safely used in patients.
Researchers from King’s College London, the Francis Crick Institute and University College London investigated how immune cells inside breast tumours influence cancer growth.
They focused on myeloid cells, a group of immune cells found in large numbers within tumours that can either support an immune attack against cancer or contribute to tumour growth and immune evasion.
The team examined CD1d, a molecule found on the surface of myeloid and other immune and tissue cells that helps regulate immune responses.
When CD1d was genetically removed from cells in a mouse model of breast cancer, the mice were more resistant to tumour growth. Researchers also saw changes in myeloid cell populations, including increased activity among cells that can help attack cancer.
The team then blocked CD1d using an antibody and again observed changes in myeloid cells and slower tumour growth. Blocking CD1d also improved responses to immunotherapy in the mouse model.
Researchers used single-cell RNA sequencing, a technique that examines gene activity in individual cells, to investigate the immune changes in more detail.
They identified a population of myeloid cells called monocytes that expressed genes associated with inflammation, an important part of the immune response. These cells were particularly important in restricting tumour growth in the mouse models.
A similar pattern of gene activity was identified in data from human breast cancer tumours. Its presence in myeloid cells was associated with positive responses to immunotherapy in breast cancer patients.
However, the findings in people were based on gene expression data and did not test CD1d-targeting treatment in patients.
Professor Patricia Barral, professor of immunobiology at King’s College London and senior author of the study, said: “Many breast cancers do not respond well to current immunotherapies.
“Our findings reveal a previously unrecognised mechanism by which immune cells within tumours are regulated.
“While CD1d is best known for helping immune cells recognise lipid molecules, we found that it also plays a role in shaping the behaviour of myeloid cells within tumours.
“These findings suggest that targeting the immune cells that surround and support tumours could boost anti-cancer immunity and potentially improve treatment responses in the future.”
Researchers now plan to investigate how the immune changes occur and how they can be safely harnessed in patients.
They also want to examine whether targeting CD1d could enhance existing treatments and influence treatment responses in different cancer types.
The work was supported by UKRI BBSRC, Breast Cancer Now and the Cancer Research UK City of London Centre.
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