Episode #452 Closing the Gap in Chicago, With Dr. Olusimbo "Simbo" Ige

6 hours ago
6 min read

On This Episode Of The Public Health Epidemiology Conversations (PHEC) Podcast

In Chicago, Black residents were dying 15 years earlier than their neighbors, at a rate double the national average. That staggering disparity is what drew Dr. Olusimbo "Simbo" Ige to accept one of the most demanding public health leadership roles in the country. In this episode of Public Health Epidemiology Conversations, Dr. Huntley sits down with Chicago's first Black woman health commissioner for a conversation that is equal parts inspiring, urgent, and deeply practical.

A Journey Built for This Moment

Dr. Ige's path to Chicago was shaped by decades of work spanning Nigeria, Sub-Saharan Africa, and New York City. Growing up in West Africa and witnessing the toll of preventable disease from a young age, she pursued medicine with a specific goal: to go upstream. That instinct carried her through pediatrics, preventive medicine, international health systems work with USAID, and ultimately to a senior leadership role at the New York City Department of Health. The thread connecting it all is a relentless focus on equity and a hard-won ability to navigate resource-constrained, politically hostile environments. As she explains in this episode, those global skills are precisely what American public health needs right now.

Closing the Life Expectancy Gap

Since taking office, Dr. Ige has led a data-driven effort to identify the primary drivers of premature mortality among Black Chicagoans, including opioid overdoses, chronic disease, violence, infectious disease, and infant and maternal mortality. Her team's approach to the opioid crisis, which included saturating communities with Narcan, building trust in encampments over multiple weeks, and layering in medication-assisted recovery and low-barrier housing, produced a 38% reduction in opioid mortality in 2024, the largest reduction of any major U.S. city. Perhaps most significantly, Chicago's life expectancy gap is narrowing for the first time in 15 years.

The Real Barrier Is Not Data, It Is Values

One of the most thought-provoking moments in this conversation is Dr. Ige's frank assessment of what is actually standing in the way of progress. It is not a lack of evidence. It is an ideological divide rooted in questions of who deserves public investment. She describes navigating a zero-sum mindset that frames supporting underserved communities as taking resources from others, and explains why addressing that values misalignment is the most pressing challenge she faces, whether she is speaking to city council, her own staff, or the broader professional community.

Plain Language, Trusted Messengers, and the Power of Story

Dr. Huntley and Dr. Ige share a passion for communicating public health beyond academic walls, and their exchange on this topic is one of the most practical segments of the episode. Dr. Ige draws on her background in oral storytelling traditions to make the case that public health fails when it relies on data presentations instead of relatable narratives. She offers a clear and memorable seatbelt analogy to explain population-level intervention, and makes a compelling argument that community members are often more powerful messengers for public health than credentialed professionals.

A Message for Public Health Professionals Right Now

Dr. Ige closes with a grounding reminder for everyone doing this work during a difficult season: internal motivation will carry you further than external validation ever can. The work matters, the lives saved are real, and no one can take the meaning of that away from you. This is an episode you will want to share with your entire team.

About Our Guest

Dr. Olusimbo "Simbo" Ige, MBBS, MSc, MPH

Dr. Olusimbo "Simbo" Ige serves as the Commissioner of Health for the City of Chicago, the chief executive for the nation's third-largest metropolitan public health department. She oversees a $1.2 billion budget and more than 1,000 staff across 13 divisions and 22 sites, and serves as the chief strategist and advisor to the Mayor, City Council, and Board-level partners on population health, healthcare access, and health system transformation.

The first African American woman to serve as Chicago's top health official, Dr. Ige has led efforts to expand services, policies, and strategies to make Chicago a healthier and safer city. Under her leadership, Chicago earned a Gold Medal rating from CityHealth in its 2025 assessment, recognizing the city as one of only eight in the country to receive this top honor for enacting health-promoting policies.

Before joining the Chicago Department of Public Health, Dr. Ige served as Assistant Commissioner for the New York City Department of Health and Mental Hygiene, where she was recognized as a champion of public health for driving systemic change. Her earlier career included capacity-building work with USAID, strengthening health systems across Sub-Saharan Africa. She earned her MBBS and MSc in Epidemiology and Biostatistics from the University of Ibadan, Nigeria, and her MPH from the University of Manchester, UK. She sits on several national boards and is a recognized voice for health systems transformation.

Listen To This Episode Of The Public Health Epidemiology Conversations (PHEC) Podcast

Conversation Highlights

Data-driven targeting produces faster, more equitable results.

Rather than spreading resources citywide, Dr. Ige's team used data to identify the 15 community areas driving the highest rates of opioid overdose. That focused approach contributed directly to a 38% reduction in opioid mortality in 2024.

Lasting community trust requires showing up repeatedly, not just once.

Chicago's outreach teams visited encampments over four to five weeks before people began engaging with treatment options. The relationship has to be built before the intervention can work.

Health interventions fail when social circumstances go unaddressed.

Chicago's opioid response layered in food, clothing, bus cards, and low-barrier housing alongside clinical services. When people are in survival mode, health interventions become a lower priority. Meeting basic needs is not a distraction from public health. It is the work.

The biggest barrier to progress right now is ideological, not technical.

The field has the evidence. What it often lacks is alignment on values. Public health professionals need the skills to engage that conversation directly, not just present more data.

Community voices are more powerful messengers than credentialed professionals.

Dr. Ige shares the example of her elderly mother, whose lived experience with consistent preventive care makes her a more persuasive vaccine advocate than any public health presentation. The right messengers reach audiences professionals simply cannot.

Global experience is a direct asset in today's domestic climate.

Years of working within underfunded, politically hostile health systems abroad gave Dr. Ige the skills she is now applying in Chicago. Her experience offers a replicable model for public health professionals navigating similar conditions at home.

Internal motivation is the most sustainable fuel for this work.

In a climate where public health is being devalued and defunded, Dr. Ige encourages professionals to anchor their sense of worth in the impact they create rather than in external recognition. No policy shift can take that meaning away.

"In medicine, you treat the individual. In public health, we treat the community. And that requires us looking at the entirety of the community and the issues that are impacting the community and then design interventions to prevent those things from continuing to happen." — Dr. Olusimbo "Simbo" Ige

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DrCHHuntley LLC is a public health consulting firm that specializes in epidemiology consulting, supporting large nonprofit organizations in South Carolina, North Carolina, Georgia, Mississippi, and Florida that serve Black, Indigenous, and People of Color (BIPOC). We also provide nationwide public health consulting and epidemiology consulting support to BIPOC organizations across the United States.