Lectures about Public Art:
- At Bilbao 1997, 1998, 1999 – Abu Dhabi’s- Zayed University, 2010 – South Korea,
- Asan Si symposium, 2011, China, Qingdao public art symposium, 2013. Students talk Texas Tech University, Lubbock USA 2014.
- HsinChu, Taiwan 2017. How Public Art brings wealth Taipei Creative Festival 2018, How Public Art brings wealth China Creative Festival 2019 – Nature responding to humans / Space symbology Tainan Art University TAIWAN 2022, – Nature Energy Elements / What the city tends to hide. Taiwan University, Taipei 2022.
- Frequent works as a juror in art competitions.