 In September 2007, Alex Mendelssohn donated three of his paintings to raise funds for the Alzheimer's Association - Desert Southwest Chapter, Arizona USA.In April 2008, Alex Mendelssohn donated his painting entitled "Venice" to the 14th Annual "Celebrity Fight Night" in Scottsdale, Arizona, in honour of Muhammad Ali, featuring Live Auction items and star-studded live musical performances that raised funds for the Muhammad Ali Parkinson Center at Barrow Neurological Institute as the primary beneficiary.Alex Mendelssohn has also painted for the celebrated virtuoso violinist Elizabeth Pitcairn who owns the legendary 1720 "Red Mendelssohn" Stradivarius violin.