Nair previously headed the then US President Bill Clinton's Climate Initiative in India.
He will succeed Robin Stalker, who served the post for 16 years.
Their appointments will help in achieving the aim of contributing 50 per cent of India's overall crude production through 5 billion barrels of oil equivalent reserves.
Menon will drive the strategy, capability development and growth of Sapient's India presence. He will also maintain its status as hub of the company's globally distributed delivery network.
TCS also announced that the Chief Operating Officer (COO) N Ganapathy Subramaniam will be on the board of the company as Executive Director.
Khanna is taking charge of the BAE Systems shortly after the company was awarded a contract from the US Department of Defense to provide 145 M777 ultra-lightweight howitzers to the Indian Army.
In 2016, Kurien was elevated to the role of Executive Vice-Chairman along with the appointment of Abidali Z Neemuchwala as Wipro's CEO and Executive Director.
An alumnus of Indian Institute of Technology (IIT), Bombay, Jivrajika had earlier served as Associate Vice-President and Vice-President of Ola Operations before taking over as COO in February 2015.
The appointment came after the elevation of N. Chandrasekaran as Tata Sons Chairman.
Krishnamurthy had joined Flipkart in June 2017 as the Head of Category Design Organisation. He came over to the e-commerce giant from Tiger Global, a New York-based investment firm, which is also Flipkart’s largest investor.
At present, Nagarajan is working as the Senior Executive Vice President of Reliance Power. He was elevated to the position of CFO by the Board of Directors at their meeting.
Earlier, Mistry was also removed from key positions in Tata Industries, Tata Consultancy Services and Tata Global Beverages.
He has over 18 years of extensive industry experience covering sales, business development and partnerships in companies such as Google, Intel, Microsoft IBM and HCL.
Mistry, who was removed as Chairman of Tata Group, joined the board of Tata Sons in 2006 and was appointed Chairman in December 2012.
AirAisa is a joint venture with AirAsia Berhad holding 49 per cent stake in the airline, Tata Sons holding 40.06 per cent stakes and Arun Bhatia holding the remaining 10 per cent through his company, Telestra Tradeplace.
Taldar will also be a member of the Airtel Management Board and will report to Gopal Vittal, Chief Executive Officer at Bharti Airtel (India and South Asia).
Six Tata Group companies, namely Tata Steel, Tata Motors, Tata Consultancy Services (TCS), Tata Power, Tata Chemicals and Indian Hotels Company (IHCL), have convened EGMs to remove Mistry as Director from their respective boards.
Zak Brown is chosen for the position after Ron Dennis was forced out as Chairman and Chief Executive of McLaren in November 2016.
This is the second time that Mistry is shown out the doors from a Tata entity. Earlier, Tata Consultancy Services (TCS) had replaced him with Ishaat Hussain as the Interim Chairman.
In August 2016, Bain had celebrated his six-year anniversary at Twitter. Over his time at the company, he helped build Twitter’s ad efforts from the ground up. He was once considered a top candidate to be the chief executive of the company before Jack Dorsey got the job.
Hussain succeeds Cyrus Mistry, who was ousted from the position of the company’s Chairman on 23 October 2016 by the board of Tata Sons Ltd. At that time, the board appointed Ratan Tata as the Interim Chairman of the group until another suitable candidate was chosen.
Singh is succeeded by Maya Hari as the Managing Director for South East Asia and India region of Twitter. Hari will be reporting to Aliza Knox, Vice President, Asia Pacific.
Prior to joining Twitter, Jaitly worked at Knight Foundation as Program Director. However, he is better known for his stint as the head of Public-Private Partnerships at Google India.
Goswami was the anchor of Newshour, the prime time news programme which he anchored on weekdays at 9 pm everyday.
On the other hand, the company re-elected Mari-Noëlle Jego-Laveissiere, Executive Vice President, Innovation, Orange Group as Deputy Chairman. It also elected the new members of the 26-member Board of the company.
Ekholm will also remain a member of the Board of Directors of Ericsson. Presently, Ekholm is working as CEO of Patricia Industries.
The SoftBank Vision Fund intends to make investments in the technology sector globally. It is managed in the United Kingdom by a subsidiary of the Saudi Binladin Group (SBG). It is reportedly one of the world's largest of its kind and will be operated from London.
Mistry, 48, who replaced Tata, 78, as chairman in December 2012, was only the sixth group Chairman in nearly 15 decades and the first from outside the Tata family.
The position of CEO of the company was lying vacant after Anup Rau left the company in June 2016.
Venu was appointed for a five-year term and will report to Bhasker Iyer, Vice President with Abbott’s Established Pharmaceuticals Division.