Yaakov David Singer was born on February 15, 1967 in New York City to Chaim Aharon and Dvora (Beatrice). In 1973 the family made aliya and settled in Ramat Gan. Jacob, as he was known, began his studies at the Emunim Elementary School in Givatayim and continued in the Bnei Akiva Mechina in Givat Shmuel. He then studied in the Yeshiva High School in Kfar Hatroeh and at the Hesder Yeshiva in Ramat Hagolan.
In June 1986 he was drafted into the IDF and joined the Shaked platoon in the Givati Infantry Brigade. On December 3, 1987 he was killed in the line of duty by a stray bullet during a training exercise. He was laid to rest in the military cemetery in Kiryat Shaul and was survived by his parents and two brothers.