The SIOG National Representatives are collecting data for understanding the current landscape of geriatric oncology  in global clinical practice. This Working Group aims to promote the further development of geriatric oncology on a global scale by addressing issues in geriatric oncology present in each country of SIOG National Representatives and providing related innovative solutions and/or recommendations.

Co-Chairs
Tomonori Mizutani, Japan
Kwok-Leung Cheung, United Kingdom
Ravindran Kanesvaran, Singapore

Members
Joyita Banerjee, India
Rabia Boulahssass, France
Oscar Calderon, Chile
Wendy Chan, Hong Kong SAR China
Phichai Chansriwong , Thailand
Raúl Cordoba, Spain
Lore Decoster, Belgium
Roman Dubianski, Poland
Cristina Falci, Italy
Vasco Fonseca, Portugal
Regina Gironés Sarrió, Spain
Yervand Hakobyan, Armenia
Anne Horgan, Ireland
In Gyu Hwang, South Korea
Osman Ilhan, Turkey
Trine Jørgensen, Denmark
Athanasios Karampeazis, Greece
Aziz Karaoglu, Turkey
Heather Lane, Australia
Ravi Mehrotra, India
Arash Naeim, US
Shane O’Hanlon, Ireland
Martine Puts, Canada
Tanujaa Rajasekaran, Singapore
Reinhard Stauder, Austria
Barbara van Leeuwen, Netherlands
Ulrich Wedding, Germany
Manuela Zereu, Brazil