Your regional team

Picture of Paul Campbell

Paul Campbell

Head of Regional Development Americas

An IB employee since 1988, Paul has served numerous roles for the IB, most recently as the Head of Outreach and Volunteer Services at IB North America. In his current role as Head of Regional Development for IB Americas, he oversees the region’s work with interested schools, universities, governments, school districts, educational organizations, and associations of IB World Schools. He also oversees the Conference of the Americas.

Paul was educated at the University of Michigan, where he studied journalism and history. Prior to working for the IB, Paul was a staff writer and columnist for several daily newspapers in northern New Jersey, USA. He also worked for two large non-profit organizations, expediting cultural exchanges between lay people from the USA and the former Soviet Union. He now lives in Washington, DC, USA with his wife, Wendy, who is an archeologist and an expert in historic preservation, and with their daughter, Sarah.

Picture of Gloria McDowell

Gloria McDowell 

Senior Head of School Services Americas

Gloria holds a bachelor of arts in economics from Grove City College in the US state of Pennsylvania. After graduating, she returned to Argentina-her home country-to teach Diploma Programme economics and business and management at St. Andrew's Scots School and Northlands School, both IB World Schools in the province of Buenos Aires. At Northlands, she served as head of school, as well as academic coordinator. For many years, Gloria also acted as deputy chief examiner, examiner, and workshop leader for IB business and management.

Gloria holds a teaching degree in philosophy, psychology and pedagogy from the Argentine teacher training school, Dra. Alicia Moreau de Justo, and a master’s degree in management of non-governmental organizations from Torcuato Di Tella University, the University of San Andrés (UDESA) and the Centro de Estudios de Estado y Sociedad (CEDES).

A firm believer that education is the best way to make the world a more peaceful place, Gloria has devoted her career to education and seeks to bring the benefits of the IB programmes to a growing number of students and schools.

Picture of Margot Hoerrner

Margot Hoerrner

Head of Professional Development Americas

Margot has nearly 20 years of experience in program development, education and non-profit leadership, as well as a deep commitment to education and training. Most recently, Margot served as the Vice President of Outreach and Education with the United Nations World Food Program—United States (WFP-USA). Prior to her time with WFP-USA, Margot lived in Jakarta, Indonesia, and worked with the Centre for Strategic and International Studies to assist in rebuilding the education infrastructure in the tsunami-destroyed region of the Aceh province. In addition, Margot worked as a teacher at The Woodlynde School outside of Philadelphia, Pennsylvania, USA for nearly ten years. During this time, Margot developed and taught a K-12 music curriculum, a seventh and eighth French curriculum, and established strategic partnerships with Philadelphia's creative arts community to create learning and working opportunities for her students.

Margot received a bachelor’s degree in education and music composition from Bennington College in Vermont, USA and a master’s in public administration from the Harvard University Kennedy School in Cambridge, Massachusetts, USA.

Margot grew up in Ridgewood, New Jersey, USA and Toronto, Ontario, Canada and currently lives in the LeDroit Park neighborhood of Washington, DC, USA where, in 2008, she was elected to serve as ANC commissioner, working with Mayor Adrian Fenty and the DC City Council to improve public policy for a neighborhood in transition. Margot is an avid traveler with a specific interest in the developing world, is working on restoring her 100-year old house, and has always had a passion for empowering others to have an impact.

 Picture of Natalia Tieso

Natalia Tieso

Office and Outreach Manager

Natalia Tieso was born in Buenos Aires, Argentina, and has been involved in education and English language teaching for over 15 years. She began her career as an English teacher at the kindergarten, primary and secondary school levels at both private and public schools. Natalia was then appointed IB Diploma Coordinator at All Saint’s School in Buenos Aires, Argentina. Most recently, Natalia worked in the education publishing industry as the Head of the Marketing and Academic Services Department at Richmond Publishing.

Natalia graduated as a bilingual English-Spanish teacher from Escuela Normal Superior en Lenguas Vivas Sofía de Sprangenberg, a teacher training college. She holds a university degree in English from Universidad Argentina de la Empresa and a certificate in Online Marketing from Universidad Tecnológica Nacional.

Currently, Natalia is completing her thesis towards a master’s degree in Educational Management from Universidad Torcuato Di Tella.