“MPACT FOR MANKIND’s mission is to transform communities by improving health outcomes, enhancing knowledge, and providing hope while promoting sustainable growth.”


“We envision a world where every individual has the resources needed to live life to its fullest potential, regardless of ethnicity, gender, or socioeconomic status.”

MPACT FOR MANKIND is a health & humanitarian services organization that brings sustainable change to underserved communities around the world by providing access to necessary resources. When the struggle to find clean water, nutritious food, and basic medical treatment is alleviated, these areas can prosper independently. We aim to give every person the opportunity to fulfill their greatest potential.

The name MPACT FOR MANKIND depicts the mission and vision of the organization to see lasting impact in the lives of people all around the world, regardless of where they live or their station in life. There are so many people who die from easily treatable diseases simply because they don’t have access to healthcare. MPACT FOR MANKIND aims to alleviate suffering and improve the quality of lives for these people by promoting improved health, enhanced knowledge, and a sense of hope for a productive and fruitful future.

As a 501(c)(3) designated nonprofit organization, we are supported by a strong network of professionals in healthcare, finance, and business management. In working with us, these developing communities receive thoughtful aid based in research and tailored to their specific needs. We provide them with the tools they need to serve as active participants in the transformation of their lives, not merely as recipients.


Jackie Zeigler, MCD CCC-SLP, MHA


Jackie Zeigler has worked in healthcare operations for over 16 years, starting as a speech-language pathologist before moving into hospital administration. She has always had a heart for service, beginning with Girl Scouts of America, on to local nonprofits, and never slowing down after that. She was inspired to start MPACT after a trip to the Dominican Republic with her husband, Neal, where they saw first hand the struggle caused by a lack of resources. She uses her management experience and strategic skills to provide operational oversight of the organization.

She received a Bachelor of Science in Psychology from Centenary College of Louisiana before going on to receive two Masters degrees. She has both a Master of Science in Communications Disorders from Louisiana State University School of Allied Health Professionals and a Master of Science in Healthcare Administration from Trinity University. She is also currently a member of the American College of Healthcare Executives.

Neal Zeigler, MD FACEP


For more than 13 years Neal Zeigler has provided his community with better opportunities for quality treatment. He has served as a board-certified emergency medical physician, as well as opened an urgent care practice and a freestanding emergency room. Dr. Zeigler’s passion for medicine was reignited after witnessing with his wife, Jackie, other countries suffering from diseases that are preventable in their communities. He wanted to found MPACT to make a difference in lives beyond the emergency room.

Neal received his Bachelor of Science degree from Xavier University of Louisiana before attending Chicago Medical School. He completed his residency training at The Detroit Medical Center through Wayne State University School of Medicine. He is also currently a member of the American College of Emergency Physicians and is board certified through the American Board of Emergency Medicine.

Lavonia Aduba, FNP-C

Lavonia’s journey started in 2011 as an Emergency Nurse in Memphis, Tennessee. After 4 years as an Emergency Nurse, she graduated from South University in Savannah, Georgia as a Nurse Practitioner in 2015. She is certified in Family medicine, which enables her to care for patients of all ages. Her knowledge and skills come from her experiences in Family Practice, Emergency Medicine, and Aesthetics. Lavonia realized that many disease that are commonly treated with medication can also be cured with weight control and exercise. Since then, prevention became her priority. Now, she proudly serves the Dallas community with her knowledge and skills  in health and wellness. Lavonia resides in Dallas, TX with her husband and son. They enjoy traveling and participating in community events.

Jon O’Leary, Executive Search Partner, McKesson Corporation

Jon joined McKesson in 2020 as an Executive Search Partner. McKesson Corporation, with revenues over $210 billion, is a global healthcare services and information technology company dedicated to making the business of healthcare run better. Previously, Jon spent 5 years in retained search with Korn Ferry and Egon Zehnder, serving the executive talent needs of global clients operating across multiple segments within the Life Sciences and Healthcare industries. Additionally, he served as an active member of the Non Profit, Public, and Social Sector practices with a particular focus in global development and public health engagements. Prior to beginning a career in executive search, Jon served in an international government affairs capacity for Boston Scientific, where he represented the company in establishing and managing relationships with key US and foreign government officials, engaged in advocacy efforts, and led the establishment of the company’s first-ever global corporate responsibility initiative in India. Earlier in his career, Jon spent 5 years in the global development space, supp orting USAID, US Department of State, and US Department of Justice funded projects occurring in developing countries and conflict zones. Jon earned his BA in Psychology from DePaul University, his MBA in International Business from George Washington University and a graduate certificate in Global Corporate Responsibility from Audencia Nantes School of Management in France. Jon currently resides in Dallas, TX with his wife Taylor, daughter Ellis, and son Everett.


MPACT FOR MANKIND endeavors to demonstrate the highest level of financial integrity and stewardship. In doing so, we strive to maximize our resources so that we can have a lasting impact in the areas that we serve. We believe in the importance of transparency with our philanthropic partners. If you have questions regarding our financials, please feel free to reach out to us at info@mpact4mankind.com.

MPACT FOR MANKIND is a non-profit public benefit 501(c)(3) corporation and is operated exclusively for charitable purposes within the meaning of Section 501(c)(3) of the Internal Revenue Code. MPACT FOR MANKIND shall not be operated for the private gain of any person. The property of the corporation is irrevocably dedicated to its charitable purposes, and no part of the receipts or net earnings of the corporation shall be used for any activities other than its mission. Contributions made to MPACT FOR MANKIND are tax deductible as defined in section 170 of the Internal Revenue Code.