 
<translate> Tambaya: An kaddamar da ayyukan 4G na ciki ga abokan hulɗa na Jio, ma'aikatanta da iyalansu a ranar 27 ga Disamba, 2015. Jarumin Bollywood Shah Rukh Khan, wanda kuma shine jakadan alama na Jio, ya fara taron kaddamarwa wanda ya faru a Reliance Corporate Park a Navi Mumbai, tare da shahararrun mutane kamar mawaƙa AR Rahman, 'yan wasan kwaikwayo Ranbir Kapoor da Javed Jaffrey, da kuma mai shirya fina-finai Rajkumar Hirani. Fiye da ma'aikatan RIL 35000 sun halarci taron rufewa wasu daga cikinsu an haɗa su kusan daga wurare 1000 ciki har da Dallas a Amurka.  Tambaya: wanene jakadan alamar dogara jio? Bari mu ba da rafi na sani na farko: <eng> Q: Context: The 4G services were launched internally to Jio's partners, its staff and their families on 27 December 2015. Bollywood actor Shah Rukh Khan, who is also the brand ambassador of Jio, kickstarted the launch event which took place in Reliance Corporate Park in Navi Mumbai, along with celebrities like musician AR Rahman, actors Ranbir Kapoor and Javed Jaffrey, and filmmaker Rajkumar Hirani. The closed event was witnessed by more than 35000 RIL employees some of whom were virtually connected from around 1000 locations including Dallas in the US.

Question: who is the brand ambassador of reliance jio? Let's give stream of consciousness first: 