If I had conducted the interview, I would've asked, "What pivotal moment in your career as director of SETI stands out to you as the most significant in terms of advancing the understanding for potential extraterrestrial intelligence?" It allows for Jill Tarter to give insights into what significantly contributed to the advancement of our understanding for extraterrestrial intelligence.
https://www.labxchange.org/library/items/lb:HarvardX:68789c56:lx_simulation:1