definiens: means, with respect to a Party or other Person, any Person that, directly or indirectly, controls, is controlled by, or is under common control with that Party or other Person . For the purpose of this definitiononly, ( including, with correlative meaning, the terms and ) meansthe actual power, either directly or indirectly through one or more intermediaries, to direct or cause the direction of themanagement and policies of such Person, whether by the ownership of more than fifty percent ( 50 % ) of the votingstocking of such Person, by contract or otherwise . Notwithstanding the foregoing, the Parties acknowledge and agreethat : ( a ) Third Rock Ventures, LLC ( ) shall not be deemed an Affiliate of [COMPANY] ; and ( b ) any portfoliocompany of Third Rock ( including Global Blood Therapeutics ) shall not be deemed an Affiliate of [COMPANY] unlesssuch company directly or indirectly, controls, is controlled by, or is under common control with [COMPANY] withoutregard to their respective relationship with Third Rock