In 1990, shortly after he completed his three-year national service he started his full-time professional career working as an all-around drummer in Israel.

He has played with notable jazz musicians from Israel and abroad including Harold Rubin, Albert Beger, Yair Dalal and Eyal Sela.

Asaf can be heard on many recent Moonjune albums alongside Spanish guitarist Carles Benavent, Nguyen Le, Dewa Budjana, Indonesian pianist Dwiki Dharmawan, Gary Husband, Mark Wingfield, Markus Reuter, Jorge Padro, Beledo and many more.

Link to the Time For Space playlist: (https://www.youtube.com/watch?v=DEF6WYe5Abg&list=PLaq6h18rnEfU39O1vQflxBapx0SU1fwiB&index=51) Asaf has been working with many other international artists such as Jacob Collier, Larry Coryell, Gwilym Simcock,[2] John Abercrombie, Kenny Wheeler, Norma Winstone, John Taylor, Gary Husband, Andy Sheppard, Dave Liebman, Natacha Atlas, Bob Sheppard, Mark Egan, Soft Machine, John Etheridge, Mark Wingfield, Nicolas Meier, David Binney, Norman Watt-Roy, Wilko Johnson, Jeff Berlin, Billy Sherwood and many more.bassist Jeff Berlin, bassist Dave Holland, Saxophonist Emma Rawicz, Jacob Collier, Larry Coryell, John Abercrombie, Bob Sheppard, Natacha Atlas, Robert Wyatt, Kenny Wheeler, Andy Sheppard, Wilko Johnson, Norman Watt-Roy, Gwilym Simcock, Celine Bonacina and many more.

Sirkis has been studying the art of the south Indian vocal percussion (Konnakol) at the Tamil centre in west London under the guidance of master percussionist Mr Paramasamy Kirupakaran and from various other sources.

Asaf has developed a simple, step-by-step method of teaching Konnakol that can help any instrumentalist or vocalist of any musical genre and level to increase rhythmic awareness and focus.