- Åcon 1 (2007), GoH Hal Duncan (UK)
- Åcon 2 (2008), GoH Ian McDonald (UK)
- Åcon 3 (2009), GoH Steph Swainston (UK)
- Åcon 4 (2010), GoH Geoff Ryman (UK)
- Åcon 5 (2012), GoH Catherynne M. Valente (USA)
- Åcon 6 (2013), GoH Tricia Sullivan (UK)
- Åcon 7 (2014), GoH Karen Lord (Barbados)
- Åcon 8 (2016), GoH Zen Cho (Malaysia)
- Åcon 9 (2018), GoH Emma Newman (UK)
- Åcon X (2019), GoH Amal El-Mohtar (Canada)
- Åcon 11 (2022), no GoH