Leadership & Staff

Claire Hannan joined the Association of Immunization Managers as its first Executive Director in 2004 and has spent her career working to support immunization policies and practices. She is responsible…

As the Chief Research and Development Officer, Katelyn develops and manages AIM's research and evaluation activities; oversees AIM’s top priorities and vision; and strategically works to increase AIM’s financial stability…

As Chief Financial Officer, Jennie supervises AIM’s business operations, including human resources, operations, fiscal management, accounting, and contract and grant management.  She collaborates with AIM’s leaders to develop a solid…

As the Chief Policy and Government Relations Officer, Brent monitors the immunization policy landscape and develops resources to support AIM members engaging in effective policy development. He represents AIM in…

As the Chief Medical Officer, Dr. Michelle Fiscus leads AIM’s CDC-funded project to improve COVID-19 vaccination rates in children under 5 years and helps inform AIM’s products, strategies, and policies.…

As the Chief Programmatic Officer, Dr. Emily Messerli leads a dynamic team to implement the activities associated with the Centers for Disease Control and Prevention (CDC) cooperative agreements. She directs…

As Communications Director, Tessa is responsible for developing and executing the organization's communications strategy. She manages all communications and ensures they are clear, unified, and compelling; provides oversight of the…

As the Federal Grants Director, Purnima Unni oversees the administration and management of activities associated with cooperative agreements awarded by the Centers for Disease Control and Prevention (CDC). Her key…

Mackenzie brings more than 20 years of public health, nonprofit, and vaccine advocacy experience to AIM. As Outreach and Education Manager, she designs and implements education and training on immunization…

As Data Project Manager, Kristy supports members with immunization information systems (IIS) and data exchange. She worked with the Wyoming Department of Health Immunization Unit in various roles before joining…

As the MAP Project Manager, Dr. Biles works on implementing and evaluating the activities associated with the Member Assistance Program (MAP). Before joining AIM, she served as the Tobacco Program…

As Finance Manager, Bertrand is responsible for managing AIM’s finances which includes: generating financial reports, facilitating AIM’s annual audits, facilitating dues invoicing, payments, and reporting and coding income and expenditure.…

As Research and Evaluation Specialist, Katie leads AIM’s data collection and evaluation efforts and provides support for research grants and publications. Before joining AIM, she worked as a researcher and…

As a Public Health Specialist, Katy’s role is working on AIM’s CDC-funded project to improve COVID-19 vaccination rates in children under five years and helping inform AIM’s products, strategies, and…

As the Senior Communications Coordinator, Angelika contributes to AIM’s communications efforts, including the website, social media, and email communications. She has supported organizations such as Banner Health, the Phoenix Children’s…

As Senior Federal Grants Program Coordinator, Ellie works on the implementation of the activities associated with a cooperative agreement awarded by CDC—providing support for AIM awards, membership support, and leadership…

As the MAP Program Coordinator, Mikaela assists with the administration and coordination of activities associated with the implementation and evaluation of the new Member Assistance Program (MAP). Before joining AIM,…

As the Federal Grants Program Coordinator, Helsa collaborates on the CDC-awarded cooperative agreement goals with the team. Her role involves facilitating the progress, application, and maintenance of measures to improve…

As Policy Analyst, Aleah works closely with AIM’s executive director to organize and facilitate member activities and meetings, assist with media outreach and presentations and synthesize COVID-19 information for AIM…

Katelyn McCullough is a 2021 CDC Public Health Associate assigned to AIM. As a Public Health Associate, she assesses the immunization environment, addresses public health needs and challenges, and facilitates…

Rebecca Lawson is a 2022 CDC Public Health Associate working with AIM.  As a public health associate, she works to address public health needs and challenges in various ways. Becca…

As Executive Assistant, Jasmine works closely with AIM’s Executive Director by providing calendar management, meeting support, and project management. She also assists members, staff, and stakeholders. Jasmine has over 25…

As the Finance Assistant, Cynthia supports AIM's finance team. Cynthia graduated from the University of Maryland with a Bachelor's in Media and Digital Communication and is pursuing a Master's in…

Lori is a private consultant who works with AIM to support immunization program managers in coordinating and operationalizing immunization information systems (IIS). She also assists AIM with various member services…

Dan Hopfensperger joined AIM as a consultant in the fall of 2015, primarily in the area of Immunization Information Systems.  Prior to joining AIM, Dan spent 36 years with the…

As a public health consultant for AIM, Emily focuses on vaccine confidence, immunization policy, and supporting research and development. Before joining AIM, she worked at Tacoma-Pierce County Health Department, where…

Monica manages the Corporate Alliance Program and has been with AIM since her retirement in 2018. She facilitates the Virtual Exhibit Hall webinars and coordinates the Exhibit Hall for the…