Photoshare Staff

David Alexander, Photoshare | Johns Hopkins Center for Communication Programs

David Alexander, Photoshare Manager

Program Officer,  Knowledge for Health (K4Health)

Johns Hopkins Center for Communication Programs (CCP)

David Alexander is the manager of Photoshare (, an editorial photography collection focused on photography’s vital role in global public health and development.

David is a professional photographer, with over 15 years of experience in managing, developing, and marketing online image collections. David received a BFA from the Maryland Institute College of Art, where he majored in photography. He has conducted workshops and trainings to global audiences on photography techniques, storytelling, and best practices in informed consent and fair use.

David provides strategic guidance in the field of health and development photography and is a leading advocate for the power of photo-sharing. In addition to his technical expertise in digital asset management, website development, and graphic design. David has been a champion of user incentive models—launching the long running Annual Photoshare Photo Contest, and the creation of meaningful opportunities to demonstrate the value and impact of photo-sharing.

David is responsible for project oversight and management; including product development, marketing, and policy development for screening and processing of international requests, photo acquisitions, technical support to Photoshare users and photo contributors. David also serves as the project staff photographer. His portraits have been featured on Marie Clare and Teen Vogue and are the principal source for the photo blog, Family Planning Voices ( 



Sean Stewart - Photoshare Library Coordinator

Sean Stewart is a professional librarian with over 15 years of experience in cataloging, thesaurus development, and collection management. His professional interests center on information access and retrieval, controlled vocabularies, and best practices in editorial and development photography. Sean serves as the project’s library coordinator, overseeing new acquisitions and processing of Photoshare orders. He also assists in the management and development of POPLINE, a bibliographic database of the Knowledge for Health (K4Health) project, and serves as proofreader for Global Health: Science and Practice Journal.



Contact Photoshare:

Attn: Photoshare 
Knowledge for Health (K4Health)
Johns Hopkins Bloomberg School of Public Health
Center for Communication Programs
111 Market Place, Suite 310
Baltimore, Maryland 21202
Tel: 410-659-6280
Fax: 410-659-6266