Kalv worked with Free Range from November 2008 until September 2011.

Kalv started coding when he was 16 for his school and has been addicted since. On the rocky road of software engineering he has gained a Computer Science degree from Southampton University. Worked with Java, Perl and PHP before settling on Ruby. Has contributed to the tech events Warblecamp and Ruby Manor.

He blogs at kalv.co.uk, and tweets at @kalv.