Warren Buffett is not a Jew, and in fact describes himself as an agnostic. Still, the billionaire investment guru, who earlier this month made big news when his Berkshire Hathaway corporation bought an 80 percent share in Israeli metalworks conglomerate Iscar for $4 billion, for years has been making his mark on the U.S. Jewish community back home — though sometimes in a roundabout way.

“Proportionally, if you look at the number of Jews in this country and in the world, I’m associated with a hugely disproportionate number,” Buffett, the second richest man in the world, told JTA in a telephone interview Monday.

Among the first companies Buffett acquired after launching Berkshire Hathaway, the Omaha-based investment and insurance giant, was The Sun Newspapers of Omaha, then owned by Stan Lipsey, one-time chairman of The Jewish Press, Omaha’s Jewish newspaper.

“At the time, the Omaha Club did not take Jewish members, and the Highland Country Club, a golf club, didn’t have any gentile members,” Lipsey recalls. “Warren volunteered to join the Highland” — rather than the gentile club — “to set an example of non-discrimination.”

Buffett happily recalls the fallout from his application.

“It created this big rhubarb,” he says. “All of the rabbis appeared on my behalf, the ADL guy appeared on my behalf. Finally they voted to let me in.”

But that wasn’t the end of the story, Buffett tells JTA. The Highland had a rule requiring members to donate a certain amount of money to their synagogues. Buffett, of course, wasn’t a synagogue member, so the club changed its policy: Members now would be expected to give to their synagogues, temples or churches.

But that still didn’t quite work, Buffett recalls with a laugh, because of his agnosticism.

In the end, the rule was amended to ask simply that members make some sort of charitable donation, and the path to Buffet’s membership was clear.

“He’s an incredible guy,” says Lipsey, today the publisher of the Buffalo News. In 1973, The Sun won a Pulitzer prize in Local Investigative Specialized Reporting for an expose on financial impropriety at Boys Town, Nebraska.

“Warren came up with the key source for us knowing what was going on out there,” Lipsey says.

Buffett himself researched Boys Town’s stocks to bolster the story, Lipsey adds.

In the 1960s, Omaha Rabbi Myer Kripke decided to invest in his friend Buffett’s new business venture. Their wives had become friendly, he says, and the foursome enjoyed playing the occasional game of bridge together.

“My wife had no card sense and I was certainly no competition to Warren, who is a very good bridge player and a lover of the game,” Kripke, rabbi emeritus of Omaha’s Conservative Beth El Synagogue, told JTA. “He’s very bright and very personable and very decent. He is a rich man who is as clean as can be.”

Kripke, father of the noted philosopher Saul Kripke, bought a few shares in Berkshire Hathaway and quickly sold them, doubling his money, he says.

Recognizing a good thing when he saw it, he bought a bunch more shares in his friend’s company, shares that by the 1990s had made Kripke — who says he never earned more than $30,000 a year as a rabbi — a millionaire.

Kripke met his late wife, the children’s book author Dorothy Kripke, at the Jewish Theological Seminary in New York, the flagship institution of the Conservative movement, where Kripke was ordained as a rabbi in 1937.

In 1996, flush from their prescient investment with Buffet’s company, the couple decided to make a major gift to JTS — $7 million in cash to restore the building’s damaged tower, and a deferred gift of some $8 million, which the seminary will receive after Kripke passes away.

“Rabbi Kripke had the heart to make a donation to JTS, he had the will to make a donation, he had the desire to make a donation — but if he had not had the means to make a donation, the recreation of our tower would never have happened,” says Rabbi Carol Davidson, the seminary’s vice chancellor for institutional advancement. “It was really only possible because of their prior investment many years ago with Warren Buffett.”

Kripke — who says he’s still got a picture of Buffett’s late wife, Susan, on his bulletin board — concurs. Asked if he credits Buffett with his financial success, he doesn’t hesitate.

“Entirely, yes,” he says. “I never had much of an income.”

The Israeli government stands to reap about $1 billion in taxes on Buffett’s purchase of Iscar. Shortly after announcing the deal, Buffett says he was surprised to learn that a Berkshire subsidiary, CTB International, was purchasing a controlling interest in another Israeli company, AgroLogic.

In Israel — which Buffett plans to visit in the fall — the hope is that the deals will have longer legs: Buffett himself has not ruled out future purchases there and, considering his status as a leading investor, observers say others also may take a look at Israeli companies now that Buffett has done so.

“You won’t find in the world a better-run operation than Iscar,” Buffett says. “I don’t think it’s an accident that it’s run by Israelis.”

The Sun newspaper group was not Buffett’s only early purchase of a Jewish-owned company. In 1983, sealing the deal with a handshake, Buffett bought 90 percent of the Nebraska Furniture Mart from Rose Blumkin, a Russian-born Jew who moved to the United States in 1917.

In 1989, he purchased a majority of the stock in Borsheim’s Fine Jewelry and Gifts, a phenomenally successful jewelry store, from the Friedman family.

“He has many friends in the Jewish community,” says Forrest Krutter, secretary of Berkshire Hathaway and a former president of the Jewish Federation of Omaha.

Buffett’s former son-in-law, Allen Greenberg, is a Jew, and now runs the Buffett Foundation, much of whose work has dealt with reproductive rights and family-planning issues. Buffett’s personal assistant is Ian Jacobs, who goes by his Hebrew name, Shami.

Buffett himself counts the late Nebraska businessman Nick Newman and philanthropist Jack Skirball as among his “very closest friends.”

“He is very much honored in the Jewish community,” Kripke says.