The customer always comes first. Except when it comes to HCL, the $6 billion Indian outsourcing -- make that co-sourcing -- giant led by CEO Vineet Nayar, who literally wrote the book on a philosophy known as 'employees first, customer second.' In this latest installment of our CEO Interview Series , Nayar spoke with IDG Enterprise Chief Content Officer John Gallant about how that philosophy is fueling HCL's rapid growth and why more CIOs ought to consider adopting it.