R. Nechemiah was a brilliant Torah scholar who lived in Dubrowna, a town in what is now Belarus. He was a disciple of the first three Rebbes of Chabad, R. Schneur Zalman of Liadi , R. DovBer of Lubavitch, and R. Menachem Mendel Schneersohn of Lubavitch (who was also his first cousin through marriage). He kept a scholarly correspondence with R. Menachem Mendel, some of which is preserved in his book of responsa, Divrei Nechemiah.

R. Nechemiah was born on 15 Shevat in the year 5548 from Creation (1788), and passed away on his sixty-fourth birthday in 5612 (1852).