Constantin “Ticu” Lăcătușu (Romanian pronunciation: [konstanˈtin ləkəˈtuʃu]; born 21 February 1961) is a Romanian mountain climber, geologist, and camera operator.
He is the first Romanian to reach the summit of Mount Everest (May 17, 1995), Broad Peak, and Cho Oyu.
Lăcătușu was born in Piatra Neamț, Romania, on February 21, 1961.
After secondary studies at Petru Rareș High School in Piatra Neamț, he enrolled at the Faculty of Geology and Geophysics of the University of Bucharest, graduating in 1986.
He is married to television personality and journalist Irina Păcurariu and has two daughters: Ana Carina (born 20 August 2000) and Iris Petra (born 19 April 2008).