Step #1
Start by drawing outline for head.
Step #2
Draw outline for ears & shape as shown.
Step #3
Draw outline for eyes.
Step #4
Make outline for nose.
Step #5
Draw lips.
Step #6
Draw outline for lower face & neck.
Step #7
Sketch hairs & Enhance face.
Step #8
Draw eyes, inside ear & eye brows.
Step #9
Draw tie and suit dressing.
Step #10
Finally make necessary improvements to finish.