Directors of a radio & TV broadcasting company must be Zimbabwean citizens. 
"8. Persons disqualified to be licensed
(1) Subject to subsection (3), a broadcasting licence shall be issued only to individuals who are citizens of Zimbabwe or to a body corporate in which a controlling interest is held, whether through any individual, company or association or otherwise, by one or more individuals who are citizens of Zimbabwe.
(2) For the purposes of subsection (1) "controlling interest" means—
(a) in relation to the corporate structure of the body corporate—
(i) all of the securities in the body corporate; or
(ii) securities representing all of the share capital of the body corporate; or
(iii) securities equivalent in value to one hundred per centum of the share capital of the body corporate; or
(iv) securities entitling the holders thereof to all the votes in the affairs of the body corporate.
(b) in relation to the governance of the body corporate, that the majority of persons who—
(i) determine the policy of the broadcasting service; or
(ii) manage the day-to-day operations of the broadcasting service;
are Zimbabwean citizens. [...]
(8) Notwithstanding subsection (1) and (2) the Minister may at his or her absolute discretion grant exemptions from those provisions and permit the Authority to issue any broadcasting licence to an individual or body corporate approved by the Minister in which the controlling interest or any portion thereof is held by persons who are not citizens of Zimbabwe.
[...]
22. Prohibition against non citizens becoming directors of licensees
No person other than a citizen of Zimbabwe shall be a director of a licensee[...]" (Broadcasting Services Act (Chapter 12:06), 2001)
Broadcasting Services Act (Chapter 12:06), 2001
[<a href="http://www.jsc.org.zw/jscbackend/upload/Acts/2014/1206updated.pdf">Act</a>]