Question: How many people are employed by the company that Gerry Grimstone is the deputy chairman of?

Context articles: Lim Boon Heng
Deputy Chairman of the Senate of Pakistan
Ruslan Koshulynskyi
Halid Genjac
Barclays
Vladimir Pekhtin
Gerry Grimstone
Egon Jakobsen
Clive Thompson (businessman)
Tahnoun bin Mohammed Al Nahyan

Lim Boon Heng (, born 18 November 1947) is the chairman of Temasek Holdings and a former Singaporean politician.
 Lim is also the chairman of NTUC Enterprise Co-operative and deputy chairman of the Singapore Labour Foundation.
 A member of the governing People's Action Party, he was a Member of Parliament (MP) from 1980 to 2011, and served in the Cabinet from 2001 to 2011 as a Minister in the Prime Minister's Office.
 He was formerly the Chairman of the People's Action Party (PAP), Secretary-General of the National Trades Union Congress (NTUC) and Deputy Chairman of the People's Association.
The Deputy Chairman of the Senate of Pakistan (Urdu: ڈپٹی چیئرمین سینیٹ) is the Deputy Chair of the Senate of Pakistan.
 According to the Constitution of Pakistan, the Deputy chairman is the presiding official when the chairman is unavailable.
 The Senate must choose a chairman and deputy chairman for a time interval of three years.
 Abdul Ghafoor Haideri has served as the Deputy chairman since 12 March 2015.
Ruslan Koshulynskyi (born 9 September 1969, Lviv) is Ukrainian politician.
 People's Deputy of Ukraine, Deputy Chairman of the Verkhovna Rada (from 13 December 2012).
 Deputy Chairman of the party All-Ukrainian Union "Freedom".
Halid Genjac, was born on 8 March 1958 in Visoko.
 He finished primary school in Lower Moštre at High and high school in 1975 in Visoko.
 In the period from 1996 to 1998 he was a member, the Chairman and Deputy Chairman of the House of Representatives.
 In the next two years, he was a deputy and Deputy Chairman of that body.
Barclays PLC is a British multinational bank and financial services company headquartered in London.
 It is a universal bank with global reach, offering products and services across personal, corporate and investment banking, credit cards and wealth management.
 It has operations in over 40 countries and employs approximately 120,000 people.
 Barclays is organised into four core businesses: Personal & Corporate (Personal Banking, Corporate Banking, Wealth & Investment Management), Barclaycard, Investment Banking and Africa.
Vladimir Alekseyevich Pekhtin (Russian: Влади́мир Алексе́евич Пе́хтин ; born 9 December 1950) is a Russian politician.
 He was a deputy of the State Duma for the 3rd, 4th, 5th, and 6th convocations.
 He chaired the parliament's ethics committee and served as Deputy Chairman of the State Duma.
 He was the first deputy chairman of the United Russia party.
 Pekhtin formerly served on the board of electric holding company RAO UES and was the Director General of Kolymaenergo, a subsidiary of RusHydro.
Sir Gerald Edgar Grimstone (born August 1949) is a British businessman, the chairman of Standard Life, and deputy chairman of Barclays.
Egon Jakobsen (born 1948 in Bjergsted) is a Danish politician.
 He has been a part of Christian Democrats since 1973.
 After Per Ørum Jørgensen was fired as chairman by the members of the party in 2012, Egon Jakobsen stepped up as ad interim chairman, being the deputy chairman at the time.
 Later in 2012, Stig Grenov was elected as chairman for the party, and Egon continued as deputy chairman.
Sir Clive Malcolm Thompson (born 4 April 1943) is a British businessman who is Deputy Chairman of Strategic Equity Capital plc.
 He was Chairman of Rentokil Initial plc between 2002 and 2004, having been Chief Executive for 20 years to 2002.
 He is a former president of the CBI, member of the Committee on Corporate Governance and Deputy Chairman of the Financial Reporting Council.
 He is a former Chairman of European Home Retail plc and director of J Sainsbury plc, Wellcome plc, Seeboard plc, Caradon plc and BAT Industries plc.
Tahnoun bin Mohammed Al Nahyan (Arabic: طحنون بن محمد آل نهيان‎ ‎ , ṭaḥnūn bin muḥammad ʾāl nahyān) is the Ruler's Representative of the Eastern Region of the United Arab Emirates.
 He was previously deputy chairman of the Executive Council of Abu Dhabi, chairman of the Abu Dhabi National Oil Company and deputy chairman of the Supreme Petroleum Council.