The paper explores the life and academic achievements of Professor Marina Valentinovna Karaseva, Doctor of Law. The authors outline the most significant scientific areas of Professor M.V. Karaseva's research and her contributions to the development of fundamental issues in financial law including general part of financial law, specific issues of budget and tax law and other financial law institutions. The article also touches on Marina Valentinovna's work on educational literature and her contribution to financial law didactics.