Ohio Code § 4113.03

§ 4113.03.

In all actions brought to recover from an employer for personal injuries suffered

by his employee or for death resulting to such employee from such personal injuries,

while in the employ of such employer, arising from the negligence of such employer

or any of such employer's officers, agents, or employees, it shall be held in addition

to any other liability existing by law that any person in the employ of such employer,

in any way having power or authority in directing or controlling any other employee

of such employer, is not the fellow servant, but superior to such other employee;

 any person in the employ of such employer in any way having charge or control of

employees in any separate branch or department shall be held to be the superior and

not the fellow servant of all employees in any other branch or department in which

they are employed;  any person in the employ of such employer whose duty it is to

repair or inspect the ways, works, boats, wharves, plant, machinery, appliances, or

tools, in any way connected with or in any way used in the business of the employer,

or to receive, give, or transmit any signal, instruction, or warning to or for such

employees, shall be held to be the superior and not the fellow servant of such other

employees of such employer.