Marcus Biel works as the customer experience director for Red Hat. He is a well-known software craftsman, Java influencer, and Clean Code Evangelist. He is also a regular speaker at Java conferences all over the world, such as JBCN Conf Barcelona, JPoint Moscow, and JAX London. Furthermore, he has worked as a technical reviewer for renowned Java publications, including Effective Java, Core Java SE 9 for the Impatient, or Java by Comparison. Marcus has worked on various Java-related projects since 2001, mainly in the financial and telecommunications industries.

When taking a break from Java, he likes hiking in the Alps, as well as backpacking, dancing, and enjoying a good beer or wine. He lives with his wife and baby son.