Marcus is a well known software craftsman and Java expert. He is a Clean Code evangelist who has authored a series of video tutorials that focus on teaching others how to create the cleanest and most well-structured code possible. As a conference speaker, he shares his ideas on Java development and helps others with his experience and knowledge. As a conference speaker, he shares his ideas on Java development and is always looking to help others with his knowledge and experience. Marcus is also an author, technical book reviewer and JCP member. In 2017, Marcus was named TOP 13 Java influencer worldwide by jaxenter.com (http://bit.ly/top20JavaInfluencers).