Executive covenants and agrees that during the course of his employment by the Company and at any time thereafter, Executive shall not, directly or indirectly, in public or private, deprecate, impugn, disparage, or make any remarks that would tend to or be construed to tend to defame the Company, its products or services, or any of its officers, directors, employees, or agents; nor shall Executive assist any other person, firm or company in so doing.