Guzmán is a strategic communications expert with a particular focus in environmental subjects. He has extensive experience working in the public, private and third sectors, dealing with issues ranging from climate change or biodiversity loss to biotechnology or heath. Notably, he is the co-founder of Scienseed, an agency specialised in the communication of complex topics. Guzmán holds a PhD in life sciences and developed a 10-year research career in the UK, Spain, Germany and Canada. ​​