WordCamp Sevilla 2013 - Rocío Valdivia - Plugins WordPress Multisite & BuddyPress
WordCamp Europe 2014 - How to be a WP freelancer and not die trying
Codigo taller-plugins
WordCamp Denmark 2016: How to get (more) involved with WordPress
WordCamp Miami 2016: How to contribute to BuddyPress - Rocío Valdivia
BuddyCamp Brighton 2015 - Rocío Valdivia - BuddyPress, much more than a plugin!
WordCamp Barcelona 2015: Newsletters en WordPress con MailPoet
WordCamp Miami 2016: New and upcoming features - Rocío Valdivia