R&B Weekly Seminar: R&B Medical Fellowship (Episode #88 -- Tuesday, June 27th, 2023). Founding Chair: Dr. Vladimir Zelenko z"l (USA). Co-Chairs: Z. Livshits (USA), B. Saltzberg (USA), F. Zelenko (USA). Speaker: Y. Dacosta (ISRAEL)

R&B Weekly Seminar: Root and Branch Association, Ltd. Fifth Israelite Monarchy Jerusalem War Crimes Trials/Medical Fellowship Seminar (Episode Eighty Eight -- Tuesday, June 27th, 2023/Tammuz 8, 5783). R&B Medical Fellowship Founding Chair: Dr. Vladimir Zelenko z"l (of blessed memory). Co-Chairs: Mr. Zvi Livshits (New Jersey, U.S.A.), Mr. Frank Zelenko (Florida, U.S.A.). Special Guest Speaker: Mrs. Yaffa Batya Dacosta (Jerusalem, ISRAEL)