1976–1981 — Student, Tashkent State University.
1982–1984 — Assistant, Department of Mathematical Analysis, Tashkent State University.
1984–1985 — Intern-Researcher, Tashkent State University.
1985–1988 — PhD Student (Aspirant), Institute of Physics, Krasnoyarsk, Russian Federation.
1989–2001 — Senior Lecturer, Department of Mathematical Analysis, Tashkent State University.
2001–2003 — Head of the Department of Mathematical Analysis, National University of Uzbekistan named after Mirzo Ulugbek.
2003–2007 — Acting Dean, Faculty of Mechanics and Mathematics, National University of Uzbekistan named after Mirzo Ulugbek.
2007–2013 — Dean, Faculty of Mechanics and Mathematics, National University of Uzbekistan named after Mirzo Ulugbek.
2012–2013 — Acting Vice-Rector for Academic Affairs (on a voluntary basis), National University of Uzbekistan named after Mirzo Ulugbek.
2013–2014 — Vice-Rector for Academic Affairs, National University of Uzbekistan named after Mirzo Ulugbek.
2014–2014 — Vice-Rector for Scientific Affairs, National University of Uzbekistan named after Mirzo Ulugbek.
2014–2021 — Rector, Karshi State University.
2021–2023 — Professor, Department of Mathematical Analysis, National University of Uzbekistan named after Mirzo Ulugbek.
2023–Present — Head of the Department of Mathematical Analysis, National University of Uzbekistan named after Mirzo Ulugbek.
Professor
Doctor of Sciences, DSc 
Mathematical analysis 
