Generate an inspirational collage representing a 'Career Vision Board'. Create an image with a blend of office environments, motivational quotes, iconic symbols for success and achievement like trophies or certificates, personas demonstrating leadership abilities, and images resonating with various professions. The collage could also include items symbolizing career progress such as ladders, pathways, and maps. Please diversify the depictions of people in terms of gender and descent - include men and women of Caucasian, Hispanic, Black, South Asian, and Middle Eastern races.