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PAHO Executive Directors
  
 - Director (D)
    - Chief of Staff (D/COS)
 - Deputy Director (DD)
 - Assistant Director (AD)
 - Director of      Administration (AM)
  
  
  
  
Executive Management
Dr. Mirta Roses Periago, Director (D)
Mirta Roses Periago
  Official Picture
Dr. Mirta Roses Periago is the Director of the Pan American Health Organization (PAHO), the world's oldest public health agency, founded in 1902, which is also the Regional Office for the Americas of the World Health Organization (WHO). In September 2002, Dr. Roses was elected Director of the Pan American Sanitary Bureau by the countries of the Hemisphere and she took office on 1 February 2003 for a five-year term, serving as the first woman to head the world's oldest international health organization. In September 2007, she was reelected to another term as Director of the Organization and has been reappointed as Regional Director for the Americas by the World Health Organization's Executive Board.

Prior to assuming this office, she served two terms as Assistant Director of PAHO (1995-2003). Dr. Roses has vast international experience in public health, having worked for more than two decades on behalf of the countries of the Americas, actively participating in global efforts in epidemic control, equity in health, social promotion, and health regulation.

The first woman to serve as Director of this century-old institution, Dr. Roses Periago has promoted a work philosophy that links consensus building with the forging of partnerships to attract new social actors to the defense of health, focusing efforts on achieving visible improvements in the health situation of the countries, support for priority countries, strong promotion of equity in health with the decentralization of resources targeted to national priorities, and care for neglected populations. This reflects the strategic framework that she has developed to organize the technical cooperation of PAHO around three major objectives: addressing the unfinished agenda in health, maintaining achievements, and tackling new challenges.

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Dr. Jon Kim Andrus, Deputy Director (DD)
Dr. Jon K. Andrus

Dr. Andrus, a national of the United States of America, has a Bachelor of Science from Stanford University (1975) and a medical degree from the School of Medicine at the University of California, Davis (1979). He completed his family practice residency at University of California, San Francisco in 1982.

Dr. Andrus has more than 25 years experience working in primary care and immunization programs. For 22 years he worked at the Centers for Disease Control and Prevention (CDC), principally on secondment to PAHO and to WHO’s Region of Southeast Asia (SEARO). He worked for PAHO (1989-1993) and SEARO (1993-1999) on global polio eradication programs and served as SEARO Director of Vaccines and Biologicals from 1999 to 2000. From 2000 to 2002, Dr. Andrus was Head of the Vaccinology and Immunization Program at the Institute for Global Health, University of California, San Francisco and Berkeley.

From 2003 to the present, Dr. Andrus has worked at PAHO as the Chief, and subsequently Lead Senior Technical Advisor, to the Immunization Unit, Family and Community Health. He also holds faculty positions at University of California, San Francisco and George Washington University School of Medicine.

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Dr. Socorro Gross-Galiano, Assistant Director (AD)
Socrro Gross Dr. Socorro Gross-Galiano is the Assistant Director of the Pan American Sanitary Bureau, which is the Secretariat of the Pan American Health Organization (PAHO). She oversees the organization's programs for Family and Community Health; Health Surveillance, Disease Prevention and Control; Sustainable Development and Environmental Health; Technology, Health Care and Research; Health Systems and Services; and Gender, Ethnicity and Health-PAHO's core programs for providing technical cooperation to its Member States.

Dr. Gross, a national of Costa Rica, obtained her degree in Medicine at the University of Costa Rica in 1982 and a master's in Epidemiology at the School of Public Health at the University of Texas in 1989. From 1982 to 1984, she was a Physician in Costa Rica attending outpatients, inpatients, emergencies and consultations for chronic terminal patients. In 1984, she became a Research Assistant at the Costa Rican Social Security Institute (CCSS) in San José, where she later became the Chief of the Health Services Research Section from 1985 to 1986. She was an Assistant Professor in the Department of Preventive Medicine and Medical Technology at the University of Costa Rica from 1986 to 1989.

In 1989, Dr. Gross started working at PAHO on short-term assignments for the Chronic Diseases department, evaluating health service capacities in communities, and evaluating the state of the diabetic patient in the Western Hemisphere.

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Mr. Guillermo A. Birmingham, Director of Administration (AM)
Mr. Guillermo A. Birmingham

Mr. Birmingham is a national of the United States of America, grew up in the Republic of Panama and retired from the US Air Force as a Colonel after 26 years of service. He received a Bachelor of Business Administration in Accounting from East Texas State University, Commerce, Texas, in 1982, and a Master of Science in Professional Accounting from Strayer University, Washington, D.C., in 1997. He is a Certified Public Accountant (CPA) since 1997.

Mr. Birmingham's work experience includes financial, administration and operational leadership positions in the United States, and in Latin American and Asian countries. He is an active member of numerous societies including the American Institute of Certified Public Accountants and the Greater Washington Society of Certified Public Accountants. He has received multiple awards and recognitions throughout his professional career.


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Catherine Cocco, Chief of the Office of the Director (D/DIR), EXM Secretariat
Catherine Cocco Ms. Catherine Cocco was appointed Chief of Staff of the Pan American Health Organization (PAHO/WHO) in 2003, a key position in the Organization which was created by the new administration when it took office that year. As Chief of Staff, Ms. Cocco serves as the principal senior advisor/counselor providing high-level advice and support to the Director involving political, technical and administrative issues. In addition Ms Cocco serves as the Manager of the Office of the Director and acts as liaison with the Executive Management team.

Ms. Cocco, a national of the Dominican Republic, has collaborated with the Organization since 1977 and has extensive management and administrative experience. She served as the PAHO country office administrator in Santo Domingo, Dominican Republic and later in Brasilia, Brazil. In her work with the Organization, Ms. Cocco promoted strategic collaboration in support of PAHO's technical and administrative decentralization program and institutional development working with several countries of the Region including Belize, Bolivia, Panama, Cuba, Ecuador, El Salvador, Honduras, Nicaragua, and Uruguay.

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Director's Office Staff (D/DIR)
Patricia Schroeder. Program Officer. EXM Secretariat.
Katia Diaz. Adviser. Information Systems, Webmaster & Communication.
Agustin Castro. Adviser. Media Communication & Press.

Consuelo Tonato. Director's Executive Secretary.
Connie Pearlstein. Director & Chief of Staff Assistant.
Oscar Chavez. Administrative Technician.

Meet the Staff »