Sonja Jefferson – Nisson (UK) Sonja Nisson (previously Jefferson) is the founder of Valuable Content and ran this business for 20 years. She now works as an independent valuable content coach and listening partner for leaders with big ideas to share.
She is the co-author of the award-winning Valuable Content Marketing book and has set up and runs the Bristol Content Group and the Valuable Content Awards, recognizing content excellence from businesses around the world.
Sonja is based in Bristol, United Kingdom.