Global Alternative Funds picks up ex-Goldman Sachs veteran Save Share Global Alternative Funds' principal Natasha Nankivell. Â AFR Street Talk understands former Goldman Sachs veteran â and one of the founding members of its $13 billion infrastructure investment group â Peter Lyneham has joined the firm as a partner. In doing so, Lyneham is linking up with his sister, ex-Carlyle bigwig Natasha Nankivell, who founded GAF less than two years ago. Lyneham joined Goldman Sachs in 1999 in Australia, and moved to the London office in 2004 where he was a founder of its infrastructure pr...