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Jews You Should Know

Nov 22, 2022


Mark Trencher, a retired corporate strategist who spent decades studying data, founded Nishma to provide the Jewish community with high-quality, empirical feedback. Through comprehensive surveys, he has furnished community leaders and stakeholders with a firm basis upon which to execute meaningful change. Mark himself is a Jewish community leader, father and grandfather, for whom this objective information-gathering is highly personal. He is also host of the Orthonomics podcast.

Hear his story and learn about his work!

Nishma Research website:

Orthonomics pod:



Jews You Should Know introduces the broader community to interesting and inspiring Jewish men and women making a difference in our world. Some are already famous, some not yet so. But each is a Jew You Should Know.

The host, Rabbi Ari Koretzky, is Executive Director of MEOR Maryland (, a premier Jewish outreach and educational organization. MEOR operates nationally on twenty campuses and in Manhattan; visit the national website at

Please visit, follow us on Twitter @JewsUShouldKnow or on Facebook.

Have feedback for the show, or suggestions for future guests? E-mail us at

Want to support this podcast? Visit A small monthly contribution goes a long way!!

A special thank you to Jacob Rupp of the Lift Your Legacy podcast for his invaluable production assistance.