The President of Santa Monica-based Mahalo, Jason Rapp, has departed the firm, according to a memo obtained by AllThingsD Wednesday. According to the memo, Rapp is leaving "day-to-day operations" at the company, but will remain as an advisor to the company's board. Mahalo is the high profile startup headed by outspoken tech entrepreneur Jason Calacanis; the company is now producing video-based iOS applications. Mahalo is venture backed by Sequoia Capital and other investors. Rapp did not say what he is doing next, only that it was an "perfect time" to pursue a "new adventure."