Learnt photography by himself since Junior High School with Fujica M-1 at least 1985, then he bought SLR Camera with brand Sea Gull when studying in Senior High School, 1987 and continued with college in STAN (Sekolah Tinggi Akuntansi Negara) in 1990 until 1993. Join with college newspaper, Majalah Purnawarman.
First time interested in photography after graduated Senior High School, when he learnt how to process black / white film from Mr. Purnomo, a specialist for express photo service in Wonosari Bus Station, Gunung Kidul – Central of Java. When he studied in STAN, he learnt photography by read a book from Pr. Dr. R.M. Soelarko, Foto Indonesia Magazine (which only printed 3 edition) and Fotomedia Magazine (which published without routine schedule). But the book he really likes was MAT KODAK by Ed Zoelevardi. With his interest of photography, he few times studied in College Journalistic Workshop in Jakarta.
In 1993, joined with Fotomedia Photography Club after buy used camera, Nikon 801s and Sigma Lens 27-70 f2.8 APO. In this club, he has formal photography learning and joined monthly routine meeting with other member and workshop. Some of these meeting are Basic Lighting conducted by Iwan Zahar, Model Photo and Studio by Ferry Ardianto, etc.
In 1996, he made photo club in Economic Faculty at University of Indonesia, Extension Program and have several time conducted photo exhibition.
Active in Digital Era after buy Nikon D100 in 2003, and active in many photography forum such as Fotografer.Net (FN), ayofoto.com, forum kamera, artphotomania.com, jakartaphotoclub.com and many other forum until now.
Photography Club he joined until now are : DOF (owned by Fotobond), HSB-Solo, id-Photographer, JPC, PAF, KFS Semarang (Semarang Photography Community), KOPDAR Sidoarjo (Sidoarjo Photography Community) and many other.
From May until August 2010, has been chosen to join with Special Class Photojournalism in Galeri Foto Jurnalistik Antara, Jakarta.
The activity right now beside work as employee in state holder company becomes photography teacher in some Photo Course. He is also offered to be a mentor in many Photography Course and Workshop, Mentoring for Photo Hunting, and also building his website : www.gathotsubroto.com to share the photo, and become online stock photo for many purpose. He also design a studio in his house for studio photography for Bintaro and Serpong photography enthusiast and become a class for Private Weekend Private Photography Course.
Some award he had achieved :
1. 2nd Winner for National Wild Animal Photo Competition in 1994
2. Nominated for Rana Citra 1995
3. 1st Winner and Favorite in Pacitan Tourism Photo Competition 2008
4. 4th position for National Wild Animal Photo Competition in 2008
5. 1st Winner for Garuda Indonesia International Photo Contest 2009
6. 1st Winner for Waisak Photo Competition 2009
7. 2nd Winner for National Wild Animal Photo Competition in 2009
8. 3rd for general category and 2nd winner for Yamaha Journalistic Photo Competition, Yogyakarta 2009
9. Bronze Medal, Best Culture, Best Landscape and award for 3 category for Salonfoto Indonesia XXIX Malang
10. Bronze Medal for Salonfoto Indonesia XXX Solo
11. Bronze Medal, and Best Architecture for Salonfoto Indonesia XXXI Batam
12. Bronze Medal for FPSI — ISAP 2010
13. FIAP Honorable Mention — ISAP 2010
14. Best People Gambhara Nias Bangkit, 2011
15. 3rd Winner for Ambonesia Photo Competition 2011
16. 1st Winner for Bumi Resources Photo Contest (Warna Tari Traditional Indonesia), 2011