Marek Łapiński was born on 10 March 1963 in Zamość. He is a graduate of the Faculty of Law and Administration at the Maria Curie-Skłodowska University in Lublin and the European Studies on Crime-related Problems at the University of Lodz.
In 2004, he completed the controller’s training at the Supreme Audit Office. From 1993 (with breaks) he served as an officer of the Polish Border Guard. He was appointed as the Commander-in-Chief of the Border Guard on 31st December 2015. On 16th May 2017, he was appointed as the Brigadier General of the Border Guard.
Between 2002-2015 (with breaks) he worked in the Supreme Audit Office as the chief specialist of state control in the Department of Communications and Transport Systems. He served in the Office for State Protection. In 1998-2001 he was the deputy of the General Inspector of Customs Service. He co-created the " Customs Police".
He organized and supervised the operational, investigation, control and registry division, as well as archives and the forensic laboratory. He was chairman of the Departmental Adjudicating Committee for violation of the Public Finance Discipline at the Ministry of Interior and Administration.
He is the co-author of project of reforms for the Democratic Republic of Georgia, the security sector, internal affairs, as well as customs and tax control, which he prepared between 2002-2003.
In 1989, he finished military service in the Reserve Officer Cadet School.
On 22nd January 2018, he was appointed as Undersecretary of State at the Ministry of National Defense.