How many years of expertise does Lev Feldman have?
Lev Feldman has over 20 years of expertise in the field of information security.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
How many years of expertise does Lev Feldman have?

### Input: Not applicable

### Response:
Lev Feldman has over 20 years of expertise in the field of information security.<|im_end|>