Brigadier General Genkov was commissioned a second lieutenant upon graduation from Vasil Levski Military Academy in 1976. His military career began with 53rd Motor Rifle Regiment where he was appointed as a Logistic Officer.
He was a student in the Rear and Transportation War College in Russia in the period 1982- 1985. Thereafter, he continued his service on the same position in the 3rd Army Command. In 1988 he was appointed as Operational and Combat Training Officer in Rear Directorate in the Land Forces Command. In 1995 Brigadier General Genkov became a Chief of Organization and Plans Department in Rear Directorate in the Land Forces Headquarters.
He attended the General Staff Faculty of Rakovski Military and Staff College in the period 1996- 1997. From 1997 to 1999 he was Chief of Plans and Mobilization Department in Logistic Support Directorate in the General Staff.
In 1999 he passed a PfP Logistic course, and after an English Language Course in Rakovski Military and Staff College, in 2000 he assumed duties as Deputy Commander of Logistic Support Command in the General Staff.
Consequently, he became Deputy Chief of Logistic and Medical Support Main Directorate in the General Staff.
In 2003 he was promoted to the rank of General and was appointed as a Commander of Logistic Support Command in the General Staff. On June 1st, 2006 Brigadier General Stoyan Genkov assumed duties of the Bulgarian Land Forces Chief of Staff for Resources
His awards and decorations include medals, orders, and awards presented by the Minister of Defense.
Brigadier General Genkov and his wife have two children- a daughter and a son.
He speaks Russian and English.