To meet the challenges of the 21st century B-schools are revising curriculum, delivery and outcome assessment modalities. Today, the proportion of electives and other specialty offerings in many MBA programs now constitutes more than 50% of the total curriculum. However, this focus on customization, integration and flexibility is not without its own challenges including quality assurance and implementation. Benchmarking, which involves the assessment of a variety of inputs including student satisfaction, the business community and the accreditation process represents, one approach for meeting these challenges. The purpose of this paper is twofold: 1) to benchmark trends and challenges in MBA programs geared towards the working adult and 2) to outline a process for implementing more flexibility and customization in MBA curriculums. The results of a student satisfaction survey of MBA graduates revealed that a customized curriculum yielded greater insights and enhanced job related capabilities than a generalized curriculum. (Contains 5 tables and 3 figures.)