Peter Shields is a Ernst & Young at Ernst & Young. Colleagues describe him as "Peter is a true leader. He has the vision for where he wants to go, and effectively communicates it. He encourages open dialogue to come up with ideas and better ways of doing things. I would work for Peter again in a heartbeat because he creates a collaborative, fun, but hard working culture.", "Peter hired me at AspenTech. I learned a tremendous amount about sales, marketing, and negotiation while I worked for Peter. He is a great executive to work for.", and "I feel very fortunate to have had the opportunity to work closely with Peter for 3 terrific years at SoundBite. Great motivator, great teacher and great guy - knows how to drive a high-growth organization - and to drive people to do and be their best. Without question, one of the top CEO's I've had a chance to work for."