of democrats and served as the de facto head of Sobchak's successful campaign for a seat in the new Soviet parliament, the Congress of People's Deputies of the USSR. After Sobchak's election campaign Medvedev continued his academic career in the position of docent at his alma mater, now renamed Saint Petersburg State University. He taught civil and Roman law until 1999. According to one student, Medvedev was a popular teacher; "strict but not harsh". During his tenure Medvedev co-wrote a popular three-volume civil law textbook which over the years has sold a million copies. Medvedev also worked at a small law consultancy firm which he had founded with his friends Anton Ivanov and Ilya Yeliseyev, to supplement his academic salary. Early career Career in St Petersburg In 1990, Anatoly Sobchak returned from Moscow to become chairman of the Leningrad City Council. Sobchak hired Medvedev who had previously headed his election campaign. One of Sobchak's former students, Vladimir Putin, became an adviser. The next summer, Sobchak was elected Mayor of the city, and Medvedev became a consultant to City Hall's Committee for Foreign Affairs. It was headed by Putin. In November 1993, Medvedev became the legal affairs director of Ilim Pulp Enterprise (ILP), a St. Petersburg-based timber company. Medvedev aided the company in developing a strategy as the firm launched a significant expansion. Medvedev received 20% of the company's stock. In the next seven years Ilim Pulp Enterprise became Russia's largest lumber company with an annual revenue of around $500 million. Medvedev sold his shares in ILP in 1999. He then took his first job at the central government of Russia. The profits realised by Medvedev are unknown. Career in the central government In June 1996, Medvedev's colleague Vladimir Putin was brought into the Russian presidential administration. Three years later, on 16 August 1999, he became Prime Minister of Russia. Three months later, in November 1999, Medvedev became one of several from St. Petersburg brought in by Vladimir Putin to top government positions in Moscow. On 31 December, he was appointed deputy head of the presidential staff, becoming one of the politicians closest to future President Putin. On 17 January 2000, Dmitry Medvedev was promoted to 1st class Active State Councillor of the Russian Federation (the highest federal state civilian service rank) by the Decree signed by Vladimir Putin as acting President of Russia. During the 2000 presidential elections, he was