With any assignment, it is important to use the right informal and formal assessment tools for the job. Assessment needs to happen throughout the assignment. I have the proper background, certification and experience to do this well. Here are some examples of the assessment tools that I use most frequently:

Individual self-assessments

California Psychological Inventory
Cultural Orientations Indicator
Fundamental Interpersonal Relationship Orientation (Firo-B)
Hogan Development Survey
Intercultural Readiness Check
Learning Tactics Inventory
Meyers-Briggs Type Indicator (Step I and II)
Workplace Big 5

360° degree feedback

Benchmarks
(Confidential) 360° interviews
Conflict Dynamics Profile
Executive Dimensions
Global Executive Leadership Inventory
Lominger Voices 360°
Matrix 360° Influence Behavior
Personality Audit

Team assessment

Team Development Survey
The Five Dysfunctions of a Team