[2] Like his father, he trained to be a winemaker and studied Business Administration, gaining an MBA and a master's degree in International Management.

[4] In addition to serving as a local councillor, Metzler subsequently spent five years as the international coordinator at the University of Applied Sciences of Worms and was responsible for supervising the student foreign exchange programs.

During the election campaign, Metzler opposed income tax rises and the creation of a national minimum wage, arguing that collective bargaining by trade unions was a better way to achieve minimum wage standards than have it set by politicians.

[7] He also called for greater support for middle-class people and opposed further increases in inheritance tax.

[8] In June 2017, Metzler voted against his parliamentary group’s majority and in favor of Germany’s introduction of same-sex marriage.