Under his direction, the two-hour daily radio show became known for interviews with leading British and Israeli politicians, as well as for detailed news reports from Israel and the Jewish world.

[13] “The Saatchi”, as it became known, quickly became a magnet for single postgraduate professional Jews wishing to meet each other in a friendly, non-coercive environment, although the unorthodox nature of its promotion techniques and social events resulted in criticism from the conservative British Jewish establishment.

[18] Dunner moved with his family to the Pico-Robertson district of Los Angeles, where his home became a magnet for teenagers and young adults eager to enhance their Jewish experience.

In March 2013, the American Israel Public Affairs Committee (AIPAC) recognized the pro-Israel activism of Rabbi Dunner, presenting him with the ‘Ally of the Year’ award for being "a shining example of what a campus professional can mean to an entire school."

In their press release, AIPAC stated: "[Rabbi Dunner's] profound contribution to the creation of an environment on campus where students are excited to be involved in pro-Israel political activism has led activists at YULA to be some of the most productive in the country.

[22] On June 17, 2021, Dunner was presented with the YINBH Hechaver Award for exemplary leadership of his community during the COVID-19 pandemic, at the annual Beverly Hills Synagogue Gala Banquet.

On June 23, 2024, Dunner, along with a delegation from Beverly Hills, met at President Herzog's official residence in Jerusalem to launch another republication of Rabbi Hillman's work, Ohr Hayashar on tractate Shabbat.

"[29][30][31] The collaboration between Dunner and President Herzog has made a unique and valuable contribution to the world of Jewish scholarship, providing new insights into the life and work of one of the great rabbis of the early twentieth century.