Bayer Corp., Pittsburgh, hired two alternative asset managers for its $1.6 billion defined benefit fund, said Roger W. Heins, director-treasury and trust services. It committed $15 million to Oaktree Capital Management's OCM Principal Opportunity Fund and $25 million to $30 million to DDJ Capital Management. Both invest largely in private equity. Funding will come from cash flow and reallocations. Wilshire Associates assisted.