Born in 1947 in Ankara, Erhan Boysanoğlu was graduated from Middle East Technical University, Faculty of Architecture, Department of Architecture in 1971. 

Boysanoğlu started his business life in MESA Mesken Sanayii A.Ş. in 1970 and served in various positions such as Construction Manager, Deputy General Manager and the member of the board of directors. He worked as the Chairman of the Board of Directors in MESA Toplu Konut A.Ş. in between 1994–2001. 

Boysanoğlu was a member of the Board of Directors of the Turkish Contractors Association in between 2002 – 2006 and is still an active member of INTES (The Turkish Employers Association of Construction Industries) and the Higher Advisory Committee of Turkish Contractors Association since 2006. Boysanoğlu is still the Chairman of the Board of Directors of MESA Mesken Sanayii A.Ş. and also the Chairman of the Board of Directors of MESA Holding A.Ş. since 2013. 

Boysanoğlu is married with 2 children and speaks English.