The traditional approach of RFI – RFP – Review – LOI is neither lean or agile. The Lean Agile Procurement approach reduces the sourcing cycle time to days, with collaborative clarification of the product with prospective partners while reducing the risk of a poor partner and company evaluation.
Recently I had a discussion with a developer about the amount of meetings we're having nowadays within organisations. Part of it was related to Scrum, "Since the introduction of Scrum all I do is attend meetings". And part of it wasn't, "Every week I need to discuss how to improve the productivity of my department... cancelling these type of meetings might be a good start..."
One of the key foundations of helping your business become Agile is the use of empiricism. Empiricism is the scientific approach based on evidence, where any idea must be tested against observations, rather than intuition.