In 2013 year, he graduated from the Oles Honchar Dnipropetrovsk National University. He is a philologist (English language and literature). He worked as a teacher of English, but before that, he was a heaver of iron ore concentrate at the CIOEW. Today Hlib is a private entrepreneur. In the excursion activities since 2014. Conducts excursions in English and German. He is receiving a second higher education in the Ivan Franko National University of Lviv, specialty of tourism.
Hlib Kozlov developed and implemented a lot of excursions: «In the valley of colorful hills», «On the edge of Kryvyi Rih Abyss», «Walking on Mars», «On the bank of the mountain river», «On the paths of Bohdan Khmelnytskyi», «Gift from the space», «Excursion to the PJSC «Southern Mining Factory», «The Mysteries of the Technogenic Canyon», «City on the Palm», «Splashes of the Bakhchysavorskyi Fountain», «A Piece of Crimea in Kryvyi Rih», «Excursion to the places, where was made the film «Chervonyi». The development of several excursion routes along Kryvyi Rih.