He later founded Newmark, Kremer & Co., a wholesale-retail dry goods store, with other family members.
He immigrated to the United States in 1848, settling in Los Angeles by 1852.
He invited his younger brother Harris to immigrate and join his business.
Others participating in the next dry goods store, noted above, included their uncle Joseph Newmark, and Maurice Kremer.
Newmark also left the partnership and moved to San Francisco, where he became a merchandise broker.