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Our Expert Staff Share Their Deep Expertise

Our Staff Team

Our staff of experienced, dedicated professionals have deep and broad expertise in working with nonprofits, healthcare providers, technology solutions, security, audits, compliance, customer service, and  coaching to ensure you have access to the technology and technical skills you need to protect your patients, revenues, and critical records.

Robert Zimmerman, MS

Founder & President

With over 30 years of experience in Health IT consulting and auditing at Anderson Consulting, as a partner at Deloitte, and as CEO of QIX Robert co-founded HTAA in 2015 and has since served over 200 healthcare clinics with IT security and compliance services. Robert also led diversity and inclusion efforts at Deloitte, and is committed to empowering women and minorities in Health IT. He is a noted speaker on cyber security, and developed and piloted HTAA's Health IT curriculum.  

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Carol Loftur-Thun, CPHIMS

Executive Director

Carol has over 20 years of experience as CEO, Executive Director, and interim CXO of local, regional and international nonprofits. She led efforts to raise over $31 million for charitable efforts, and managed organizations with over 90 employees to lead successful turnarounds, mergers, and re-starts for nonprofits addressing healthcare and Social Determinants of Health (SDoH) including mental health, suicide, domestic violence, sexual assault, human trafficking, hunger and homelessness. Carol was born in Ecuador and studied in India.

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Dr. Arti Patel Varanasi, Ph.D, MPH, CPH

Director of Health IT Training

Arti is passionate about leveraging tech to increase health equity and help people live longer, healthier lives. She has over 25 years of experience in public health, cancer research, project management, capacity-building and advocacy as CEO of Advancing Synergy LLC, as a National Cancer Institute fellow, and as a graduate of the National Science Foundation's program for women tech entrepreneurs. She served on the National Advisory Council on Nurse Education and Practice, and serves on numerous regional boards.

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Carlos Navarro

Director of Member Engagement

Carlos brings strong bilingual customer service skills from healthcare consulting, personal banking, medical insurance and patient support services to build beneficial long-lasting relationships with clinics and providers. He ensures members can successfully engage and have outstanding client services experiences with HTAA, as well as achieve their strategic and organizational goals. Carlos is especially passionate about bringing HTAA's services to clinics in Puerto Rico impacted by Hurricane Maria.

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Meet Our Interns

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Ty Stokes

A Marketing & Communications major and graduating senior at Indiana University of Pennsylvania, Ty is using his writing skills to help build our websites

and social media. Ty is especially interested in how HTAA can help clinics reduce health disparities in rural communities. 

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Moses Adede

Moses is a videographer and graphic artist from Kenya who is now studying at the University of Lethbridge in Alberta, Canada. Moses is helping to design our HTAA logo, business cards, and websites. He is passionate about video, and is creating videos to showcase our Health IT training.


Abeerah Qadir

Abeerah is pursuing her Masters in Health Information Technology at the University of Maryland, Baltimore County after majoring in Biology. Abeerah is performing data analysis, learning HubSpot, and researching statistics for HTAA reports and articles.

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