SEOUL -- With Samsung Group's powerful patriarch entering his third month in a South Korean hospital, his family risks losing its grip on the conglomerate he built into a force from smartphones to life insurance.
Lee Kun Hee, 72, took over from his father 27 years ago and outmaneuvered Sony and Nokia to surpass Apple in the mobile-phone business. His son, 46-year-old Lee Jae Yong, will struggle to keep the same influence due to inheritance taxes that could exceed $5 billion and waning support in Korea for conglomerates controlled through crossholdings.
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The Lees have held sway over the group's 74 companies through a web of share holdings, though they own less than 2 percent of the total stock. The younger Lee, who has worked in his father's shadow since 1991, will have to loosen the family's hold and ease protections against outside shareholders just as Samsung Electronics faces rising challenges to its position at the top of the smartphone market.
"Samsung became a world leader only because chairman Lee could keep his management control distant from external influence," said Kim Houng Yu, a professor at Kyung Hee School Of Management in Seoul. "Once the cross-shareholding structure breaks off, the Lee family's control over the group will be weakened and they will be left more vulnerable to outside influences."
Shareholders, for example, could step up pressure on Samsung Electronics to increase dividends as cash grows beyond the current $58 billion, according to Claire Kim, an analyst with Daishin Securities Co. They could also press for strategy shifts or capital spending cuts as growth slows, she said.
The elder Lee is an outsized figure in Korea who built Samsung into the most powerful conglomerate, or chaebol, with more than twice the revenue of the next biggest group, according to the Korea fair trade Commission. In the process, he became the country's richest man with an $11.4 billion fortune, according to the Bloomberg Billionaires Index.
Succession became a more pressing issue this year after he suffered a heart attack. Under Korean law, heirs have to pay taxes of 50 percent when inheriting such wealth, signaling a bill approaching $6 billion, said Kim Hyeon Jin, a tax attorney at Shin & Kim in Seoul. Though it's possible to avoid taxes by putting stock into a foundation, the family may lose some control over those assets in any case, he said.
The Lees are planning to take two Samsung businesses public, which will help cover the inheritance taxes and comply with tighter government limits on conglomerates. One of them is Cheil Industries Inc., a small but strategically important operator of zoos, golf courses and the Caribbean Bay, billed as one of the largest water parks in the world.
While Samsung Electronics is the biggest business, much of the family's power stems from Cheil, known until this month as Samsung Everland Inc. The closely held business is the family's de facto holding company, with direct and indirect stakes in the electronics, finance and trading arms. The other company going public is Samsung SDS Co., a provider of technology services.
Cheil, for example, owns 19.3 percent of Samsung Life Insurance, which in turn has a 7.6 percent stake in Samsung Electronics. The smartphone maker owns 37.5 percent of Samsung Card Co., which completes the circle through a 5 percent stake in Cheil.
The family has complete control at Cheil now. Lee Jae Yong holds 25 percent of the equity, while his sisters Lee Boo Jin and Lee Seo Hyun have 8.4 percent each and their father holds 3.7 percent. The rest largely consists of friendly stakes held by other group companies. Analysts say nonfamily shareholders may sell stock in the IPO, leaving the Lees in charge.
While the offerings will raise cash and create a more transparent structure to satisfy the government, they'll also expose parts of the empire that have so far remained hidden. Cheil and SDS will have to report their financial results and personnel decisions publicly; they'll also be vulnerable to the influence of activist investors.
"It was the cross shareholding structure that made it all possible for Chairman Lee and his family to control Samsung with a tiny stake," said Park Ju Gun, president of corporate watchdog CEOSCORE. "Without that structure, it's almost nonsense for Lee Jae Yong to have the same control."
A spokeswoman for Samsung Group declined to comment on succession or structural changes, and declined to make members of the Lee family available for interviews.
The younger Lee, also known as Jay Y. Lee, graduated from Seoul National University, the top school in South Korea, and is credited at Samsung with forging strong partnerships with Google Inc. and Apple. Still, he won't command the same respect and authority that his father has had because he's largely unproven, said Chung Sun Sup, chief executive officer of corporate researcher Chaebul.com.
"The market is somewhat jittery about Samsung's future without Chairman Lee," he said. "Whether it's Lee Jae Yong or not, there's a big question about whether the successor will have enough charisma or leadership to get the support and faith that Lee Kun Hee had.
Samsung has faced little outside pressure so far, in part because Samsung Electronics has grown to dominate the mobile- phone industry. The business has struggled more recently however, with operating profit declining for three straight quarters. Chinese manufacturers such as Xiaomi Corp. are gaining customers by offering inexpensive devices packed with features, while Apple competes more aggressively for premium buyers.
The stock has fallen 2.5 percent this year and is about 16 percent below a record last year.
''We have no clear answer as to how Samsung's smartphone business will turn out in the future," said Kim Sang Jo, a professor of economics at Hansung University in Seoul. "If the stock continues to fall because of the slowing profit from there, Lee Jae Yong's management control may come under threat."
For decades, South Korea's government supported chaebols like Samsung and Hyundai Group as a way to modernize rapidly. They helped drag the nation out of poverty after the Korean War and drive the country to become Asia's fourth-largest economy.
That changed with the 1997-1998 Asian financial crisis however. Public support waned amid concerns the chaebol had become too powerful and crimped innovation.
Samsung has had its own problems. Lee Kun Hee was convicted in 2008 of tax evasion after prosecutors alleged he sold SDS bonds with warrants at artificially low prices to his son. The billionaire was pardoned by former President Lee Myung-bak in 2009.
"It became a big issue in the past and stirred public criticism," said Hansung University's Kim.
President Park Geun Hye has banned new cross holdings and offered tax breaks for the chaebol to unwind their existing structures into more transparent holding companies.
"It is imprudent to run a publicly-listed company under the presumption that the genes for managerial leadership are automatically inherited from generation to generation," said Kim Joon Gi, professor of law at Yonsei Law School in Seoul. "Simplifying the conglomerate's ownership structure seems inevitable and if done properly should help dispel concerns over transparency and accountability."
The family controls 49.7 percent of the companies that make up Samsung Group, though they hold a combined 1.53 percent of the shares, the Korea fair trade Commission said in a report published last year.
While Jay Y. Lee will face challenges his father didn't have, he'll also have opportunity. The younger Lee has the chance to emerge from his father's shadow if he can manage Samsung's structural changes, maintain significant family control and keep the businesses on track, said Min Jin Gui, author of "Samsung Culture 4.0."
"It may take a long time, even over a decade, to unwind these tightly-entangled cross holdings," Min said. "If Jay Y. can untangle the complicated structure, which even his father couldn't solve, he may build his own reputation."