Question: Roman Grill is now a player agent whose clients include a former captain of his national team, which he led to what?

Context articles: Paul Wachter
Sophie Theallet
David Maher Roberts
Radia tapes controversy
Howard Draft
Johnny Marines
Roman Grill
Philipp Lahm
Raymond Heard
Matthew Kelly (speaker)

Paul Wachter is an American businessman and investment advisor whose clients include Arnold Schwarzenegger, LeBron James, Bono, Beats Electronics LLC co-founder Jimmy Iovine, and Tom Werner, Chairman of the Boston Red Sox and the Liverpool Football Club.
 He has played a leading role in high-profile investment deals including the 2002 acquisition of the Boston Red Sox by New England Sports Ventures (now Fenway Sports Group) and was a member of the board of Beats Electronics since 2008 and led the negotiation of the Beats sale to Apple.
 Along with LeBron James, Wachter is among the executive producers of the Starz scripted series, "Survivor’s Remorse".
Sophie Theallet (Born 1964 in Bagnères-de-Bigorre, France) is a French fashion designer whose clients include First Lady Michelle Obama.
David Maher Roberts is a previous CEO at The Filter, a Bath-based technology company that provides recommendations for digital content providers.
 David led the company’s turnaround from a music playlist app to a SaaS (Software as a Service) provider whose clients include NBC Universal, Nokia and Dailymotion.
 It now delivers over 1 billion recommendations to over 150 million people in over 35 countries every month.
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The Radia tapes controversy relates to the telephonic conversations between Nira Radia, an influence peddler and an acquaintance of the (then) Indian telecom minister A. Raja, and with senior journalists, politicians, and corporate houses, taped by the Indian Income Tax Department in 2008–09.
 The tapes led to accusations of misconduct by many of these people.
 Nira Radia used to run a public relations firm named "Vaishnavi Communications", whose clients include the Tata Teleservices and Mukesh Ambani’s Reliance Industries.
Howard Draft (born December 28, 1953) is Executive Chairman of FCB (Foote, Cone & Belding), formerly Draftfcb, a global marketing organization whose clients include Kraft Foods, KFC, and Taco Bell.
 He is known as a pioneer in direct marketing and was named Direct Marketer of the Year in 1999 by Direct Magazine.
Johnny Marines an American music executive from the Lower East Side of New York City whose clients include the Latin American group Aventura and Romeo Santos.
Roman Grill (born March 1, 1966) is a German former footballer who is now a player agent.
 A defender, Grill spent eleven years playing for Bayern Munich's reserve team, and made one first-team appearance, replacing Thomas Helmer in a UEFA Cup match against Benfica in December 1995.
 Bayern went on to win the competition that season.
 After retiring, Grill worked as a coach with Bayern's youth team, before starting his own player agency in 2006.
 His clients include Owen Hargreaves, Philipp Lahm and Piotr Trochowski.
Philipp Lahm (] ; born 11 November 1983) is a German retired professional footballer who played as a right back or defensive midfielder and spent much of his early career playing left back.
 He was the captain of Bayern Munich, having skippered them to numerous honours including the 2013 UEFA Champions League as part of the Treble.
 He is also a former captain of his national team, which he led to the 2014 FIFA World Cup, before retiring from international football.
Raymond Heard is a Canadian-South African journalist, editor, media executive and political strategist.
 He was responsible for making Nelson Mandela the first living honorary Canadian in 2001.
 Heard is President of Toronto-based Heard-Cosgrove Communications, whose clients include some of Canada's largest companies.
 He is a contributor to Canada's "National Post" and the Huffington Post and appears on the CTV News Channel, CBC News Network, Global News and formerly appeared on the defunct Sun News Network as a political pundit.
Matthew Kelly (born July 12, 1973 in Sydney, Australia) is a motivational speaker, author, business consultant, and founder of Dynamic Catholic.
 He is a founding partner at Floyd Consulting, a management consulting firm whose clients include more than 35 Fortune 500 companies.
 His lecture topics include identifying negative routines and actions in daily life, and the value and positive inspiration of Catholicism on everyday life.