Sebastian lives in Buenos Aires, the capital city of Argentina. He first became a member back in 1998 when he found out about the AAVSO from a local astronomy club. He is an active observer and data-miner.
Will McMain is the AAVSO's new webmaster and software developer. He works to maintain and expand the AAVSO and Citizensky Websites, as well as improve the technologies used internally by the AAVSO headquarters.