Apple has come under criticism from major shareholders Trillium Asset Management LLC and the Sustainability Group over the absence of women on its board and throughout its top-level rankings, reports Bloomberg.“There is a general problem with diversity at the highest echelon of Apple,” said Jonas Kron, director of shareholder advocacy at Boston-based Trillium, which manages $1.3 billion. “It’s all white men.”According to the report, the shareholders met with Apple representatives several times over the past few months to address the company's lack of female executives. The shareholders intended to bring the issue to a vote at Apple's shareholder meeting on February 28, but backed off once App