AMIGOS International Office Staff


Sara Nathan 
President & CEO or Ext. 117

Nikki Willison
Executive Assistant to the CEO or Ext. 121

Luis Mena
CFO and Vice President of Administration or Ext. 160

Staff Members

Finance and Administration

Cynthia Ballard
Accounting Manager or Ext. 153

Ramiro Flores
Office Manager or Ext. 161

Kevin Peralta
IT Systems Manager or Ext. 111

Jacque Perna Fuller
Data Manager or Ext. 142

Fund Development

Hanne Siatka
Manager of Annual Giving and Grants Development or Ext. 133



Leslie Eme
Managing Director of Programs or Ext. 156

     Elizabeth Bonilla Contreras
     Administrative Assistant or Ext.110

     Marta Ascherio
     Regional Director (Colombia, Ecuador, & Peru) or Ext. 126

Program Coordinator - Colombia
Molly Friend
International Exchange Programs Coordinator or Ext. 164
     Ryan Kingston
     Regional Director (Dominican Republic & Panama) or Ext. 144

     Mateo Garibaldi
     Regional Director (Nicaragua & Costa Rica)

           Vanessa Fiedler
           Program  Coordinator, Nicaragua 
     Emma Smith
     Regional Director & Youth Ambassadors Program Director or Ext. 132
          Alvaro Fernandez
          Youth Ambassadors Program Coordinator, Uruguay

          German Servian
          Youth Ambassadors Program Coordinator, Paraguay

Rachel Koslofsky
Youth Ambassadors Program Coordinator or Ext. 134


Lauren Hauser
Managing Director of Recruitment & US Partnerships or Ext.162

Admissions Officer
Regional Outreach Coordinator

Marketing and Communications

Jill Sanders Assir
Director of Marketing and Communications or Ext. 129

Regional Operations & Safety Management

Heidi McPherson
Managing Director of Regional Operations & Safety Management or Ext. 112

Mason Perino
Director of Training or Ext. 135

Carmen Sullivan
Health and Safety Coordinator or Ext. 115

Rachel Nolley
Regional Operations Manager or Ext. 123

Gina Pham
Regional Operations Manager or Ext. 131

Amigos de las Américas (AMIGOS) inspires and builds young leaders through collaborative community development and immersion in cross-cultural experiences.

AMIGOS is a proud partner with United Airlines. Booking your travel through the logo above directly supports AMIGOS!