Andri Ginting
Student assistant 2010 - 2011

Bogor Agricultural University, Indonesia

Ade Maulana Irvan
Student assistant 2010

Bogor Agricultural University, Indonesia

Juan Francisco Gallardo Palacios
Student 2010

German Primate Center, Germany

Ira Ratna Sari
Student 2010

Bogor Agricultural University, Indonesia

Stefan Wedegärtner
Student 2009 - 2010

Free Univerity of Berlin, Germany

Dwi Yandhi Febriyanti
Student assistant 2009 - 2010

Bogor Agricultural University, Indonesia

Nicole Aline Thompson
Student assistant 2009 - 2010

German Primate Center, Germany

Rebecca Claire Gorman
Student assistant 2008 - 2009

German Primate Center, Germany

Dania Oryzana Subroto
Student assistant 2009

UNSRAT, Manado, Indonesia

Antri Kakauhe
Field assistant 2007 - 2009

Batuputih, Indonesia

Jono Suhartono
Field assistant 2007 - 2009

Batuputih, Indonesia

Teija Febranouva
Student 2007 - 2009

Bogor Agricultural University, Indonesia

Kristin Hagel
Student 2008

Free Univerity of Berlin, Germany

Britta Rohr
Student 2006 - 2008

German Primate Center, Germany

Hanny Pontororing
Student 2006 - 2007

UNSRAT, Manado, Indonesia

Jacklyn K. Ramsey
Student assistant 2006 - 2007

German Primate Center, Germany

Piotr Fedurek
Student assistant 2006 - 2007

German Primate Center, Germany

Herry Timpal
Student assistant 2006 - 2007

UNSRAT, Manado, Indonesia