As I glanced around a room of 25 C-suite leaders ahead of delivering a briefing on antisemitism, I thought, “What am I doing here?!”In my head, I was still the cybersecurity professional, the IT guy. I had no business speaking about Jewish lived experience in the workplace. And yet, in that moment, I realized I was standing in a gap that needed to be filled.Looking back over the past three years, the story sounds almost like a movie: A successfu…