Professional positions that Denny JA has undertaken during his professional career:
1. Executive Director, Jayabaya University, Jakarta (2000-2003).
2. Talk Show Host, Political TV talk show on Metro TV and a Political Radio talk show on Delta FM (2002-2004).
3. Newspaper Columnist, Nine national Indonesian newspapers (1986-2005).
4. Executive Director, Lingkaran Survei Indonesia (LSI) (2005 – Present).
5. General Chairman, AROPI (Asosiasi Riset Opini Publik Indonesia), 2007 – 2010 and 2010- 2013.
6. General Chairman, AKPI (Asosiasi Konsultan Politik Indonesia) (2009 – Present)
7. Founder, The Denny JA Foundation for Indonesia Without Discrimination Movement. [14]
8. General Chairman, Association of Indonesian Writers (Satupena), 2021-2026.[15]
9. Founder and Chairman, Association of Indonesian Political Consultants, 2009 – Present
10. Founder and Chairman, Association of Public Opinion Research Agencies (AROPI), 2008-2018.[16]