Marcus Biel (@MarcusBiel) works as Director of Developer Experience 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. Besides this, he works as a technical reviewer for renowned Java books such as Effective Java, Core Java SE 9 for the Impatient or Java by Comparison.
In 2015, Marcus started a Java blog and YouTube channel that makes Java accessible to passionate developers. There are many advanced tutorials that you can find online, but tutorials with a solid background like this one are rare.
Marcus has become well-known in the Java community, with a total of 70 000 followers across various social media platforms. In 2017, the editorial team at jaxenter.com rated him #13 in their list of the world’s top Java influencers.