In 2019, Derk Sauer launched a new venture focused on independent Russian media, aiming to provide a platform for free and fair journalism in a restrictive environment. This initiative underscored his enduring commitment to media freedom and the dissemination of unbiased news in Russia.

In 2015, Derk Sauer returned to the Moscow Times as its publisher. His return marked a renewed focus on maintaining the newspaper's independence and integrity, especially in a challenging media environment. Sauer's leadership was pivotal in navigating the publication through complex political landscapes.

In 2013, Derk Sauer founded RBC Daily, a Russian business newspaper. This initiative was part of his ongoing commitment to fostering independent journalism in Russia, providing in-depth analysis and reporting on economic and business developments in the region.

In 2010, Derk Sauer joined De Persgroep, a leading media company in the Netherlands. His role involved overseeing international expansions and digital transformations, leveraging his extensive experience in media entrepreneurship to enhance the company's global presence and digital offerings.

In 2005, Derk Sauer sold Independent Media to the Finnish media group Sanoma. This strategic move marked a significant milestone in his career, as it allowed him to focus on new media ventures while ensuring the continued growth and influence of the publications he had established in Russia.

In 1999, Derk Sauer launched Independent Media, a publishing company that became one of Russia's largest media groups. Under his leadership, the company published several influential titles, including Cosmopolitan Russia and Vedomosti, contributing significantly to the media landscape in Russia.

In 1989, Derk Sauer founded the Moscow Times, an English-language newspaper in Russia. This publication became a critical source of independent news during a transformative period in Russian history, providing unbiased reporting amidst a rapidly changing political landscape.