White Pine Adds Sadowsky, Ziefer

Industry veterans Jeffrey Sadowsky and Sam Ziefer have joined recycled diamond and jewelry company White Pine Trading.

Sadowsky, formerly acquisition director of GBC, has more than 45 years of industry buying experience. He has been president of Preferred Jewel Brokers and general manager of Silverman Jewelers Consultants. He will focus on increasing the company’s jewelry footprint.

Ziefer formerly led Circa’s retail division and joins White Pine with almost 50 years of industry experience. Prior to that, he was president and owner of Mayers Jewelry Co. as well as WC Edge Inc. He will expand the company’s nationwide jewelry buyback program.  


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