Alex Kirsten is the head web developer and co-founder at Greenbox Designs.
He has developed many custom Drupal modules over the years, using technologies such as Apache Solr, Varnish, Reddis to develop enterprise level business solutions for his clients.
His focus is not only on meeting the functional requirements of his clients, but doing so in a manner which upholds performance, scalability and coding standards in everything he implements.
Read more about Alex here: http://www.greenboxdesigns.com/about/