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MDPI USA
Established in 2025, MDPI USA in Philadelphia is the latest global office to be opened for MDPI, complementing the Toronto office in representing North America. The US office is responsible for accelerating open access in the US through ongoing support of our scholars and expanding our institutional and society partnerships across the US.
MDPI
A pioneer in scholarly, open access publishing, MDPI has supported academic communities since 1996. Based in Basel, Switzerland, MDPI has the mission to foster open scientific exchange in all forms, across all disciplines.
Our 469 diverse and open access journals, including 460 peer-reviewed journals and 9 conference journals, are supported by more than 295,000 academic experts who share our mission, values, and commitment to providing high-quality service for our authors. We serve scholars from around the world to ensure the latest research is freely available and all content is distributed under a Creative Commons Attribution License (CC BY).
MDPI's portfolio comprises at least 400+ journals with impact factors, 72% of which are ranked in the top 2 quartiles of their respective fields. To view the current impact factors for MDPI journals (according to the Journal Citation Reports), please visit our yearly announcement page here.
With additional offices in Beijing, Wuhan, Tianjin and Nanjing (China), Barcelona (Spain), Belgrade and Novi Sad (Serbia), Manchester (UK), Tokyo (Japan), Cluj and Bucharest (Romania), Toronto (Canada), Kraków (Poland), Singapore (Singapore), Bangkok (Thailand) and Seoul (Republic of Korea), MDPI has published the research of more than 330,000 individual authors and our journals receive more than 25 million monthly webpage views.
Our Guiding Principles
Open Access
Our content is open access and distributed under a Creative Commons License, providing free access to knowledge, enabling research findings to be freely shared and content to be re-used with attribution.
Responsiveness
Our fast and efficient processes provide scientists with the convenience they need to quickly translate critical knowledge into positive societal impact.
Community
The academic community is at the center of what we do. We listen to feedback from the community and work together to meet their changing needs.
Transparency
Our practices are transparent, from open peer review to data sharing, making science more trusted and research more replicable.
Innovation
We aim to remain at the forefront of academic innovation, empowering open scientific exchange in all forms and across all research disciplines.
Quality
We form an integral pillar of academic integrity, uphold high ethical standards and join in the industry-wide efforts to fight fraud in a transparent and fair way.
Contact
MDPI, The Graham Building at Dilworth Park, 30 South 15th Street, 15th Floor, 19102 Philadelphia, USA
The office will be closed on the following days in 2025: New Year's Day, 1 January Birthday of Martin Luther King, Jr., 19 January Washington's Birthday, 16 February Memorial Day, 25 May Juneteenth National Independence Day, 19 June Independence Day, 3 July Labor Day, 7 September Columbus Day/Indigenous People’s Day, 13 October Veterans Day, 11 November Thanksgiving Day, 27 November Christmas Day, 25 December 2026 New Year's Day Thursday, January 1, 2026 Martin Luther King Jr. Day Monday, January 19, 2026 Presidents’ Day Monday, February 16, 2026 Memorial Day Monday, May 25, 2026 Juneteenth Friday, June 19, 2026 Independence Day (Observed) Friday, July 3, 2026 Labor Day Monday, September 7, 2026 Indigenous Peoples'/Columbus Day Monday, October 12, 2026 Thanksgiving Day Thursday, November 26, 2026 Day After Thanksgiving Friday, November 27, 2026 Christmas Day Friday, December 25, 2026