Rabbi David Moskowitz, the Shotzer ruv, the Rav Hamachshir or SKS, a well known and respected figure in the world of Kashrus. The well known kosher organization SKS Shatz Kosher Services has been recognized by the by all high standatd Kosher org. as one of the higher standard international kosher organizations and has therefore been upgraded to become a member of the very small circle of kosher organizations that are considered as providing the highest standard of Kosher certification.