NEW YORK (VINnews) — The emergency that unfolded Tuesday at the former Pfizer headquarters in Midtown Manhattan thrust one of New York’s most private real estate figures into the spotlight.

David Werner, founder of David Werner Real Estate Investments, has spent more than three decades quietly assembling some of the city’s largest commercial real estate deals while largely avoiding public attention. He is now one of the developers behind the conversion of the former Pfizer headquarters into what is expected to become the largest office-to-residential conversion in New York City.

From Accountant to Billion-Dollar Dealmaker

According to Bloomberg News, Werner began his career as an accountant before a client encouraged him to enter real estate after recognizing his talent for analyzing investments.

Born to Holocaust survivors and raised in Manhattan’s Washington Heights neighborhood, Werner later moved to Brooklyn’s Borough Park after marrying, where he built a network of investors largely drawn from New York’s Orthodox Jewish business community.

A Reputation Built on His Word

According to Bloomberg, one of the defining moments of Werner’s career came during the liquidation of the estate of prominent New York real estate investor Sylvan Lawrence.

After agreeing to purchase one of the estate’s buildings, Werner discovered information that would have entitled him to seek a lower purchase price. Despite advice from one of his partners to renegotiate, Werner refused, believing that “his word was his bond,” Bloomberg reported.

Years later, Lawrence’s heirs rewarded that decision by giving Werner the first opportunity to acquire a four-building portfolio for $387.5 million, including 111 Eighth Avenue, a property that would later be sold to Google for $1.8 billion. Bloomberg reported that the experience ultimately changed Werner’s investment philosophy, leading him to retain larger ownership stakes in future acquisitions rather than quickly cashing out.

The ‘Aggravation Free’ Approach

Bloomberg reported that Werner became known for making offers sellers found difficult to refuse.

Instead of lengthy negotiations and extensive contingencies, he often arrived with substantial non-refundable cash deposits and promised quick closings, sometimes convincing owners to cancel broader marketing efforts.

One of his signature negotiating tools, according to Bloomberg, was a red accordion folder containing two T-shirts.

One displayed a frowning face with the words “Free Aggravation.” The other featured a smiling face reading “Aggravation Free.”

Werner reportedly showed the second shirt to prospective sellers as a lighthearted promise that selling to him would be a smooth transaction.

‘A Wizard’ in New York Real Estate

Werner’s unconventional approach earned admiration from many of New York’s top real estate professionals.

“Werner is a wizard,” Eastdil Secured broker Douglas Harmon told Bloomberg in 2014, describing him as someone who pursued deals with “maniacal relentlessness” while generating billions of dollars for his investors.

Kenneth Patton, former dean of New York University’s Schack Institute of Real Estate, told Bloomberg that Werner “works like a broker but transacts like a principal.”

Patton recalled trying to slow Werner down during one acquisition in the early 1990s, believing the investor was moving too quickly.

“I was wrong,” Patton said. “David was just ready to go.”

A Different Kind of Developer

Unlike traditional developers, Werner rarely builds projects himself.

According to Bloomberg, he operates primarily as a real estate syndicator, identifying investment opportunities, putting properties under contract using significant deposits, and then assembling groups of investors to finance the acquisitions. He typically retains only a minority ownership interest while collecting fees for structuring the deals.

That strategy has allowed Werner to participate in more than $10 billion worth of commercial real estate acquisitions, including 11 Madison Avenue, One Court Square in Queens, 5 Times Square, the Socony-Mobil Building and 237 Park Avenue.

In 2014, Real Capital Analytics ranked Werner as New York City’s largest real estate buyer after he completed approximately $2.4 billion in acquisitions, surpassing many publicly traded real estate companies and major private equity firms, according to Bloomberg.

Avoiding the Spotlight

Despite handling some of Manhattan’s largest transactions, Werner almost never grants interviews.

According to Bloomberg, people close to him said his preference for privacy stems in part from the Jewish concept of ayin hara, or the “evil eye,” reflecting a belief that public displays of success should be avoided.

“He doesn’t seek publicity,” one longtime associate told Bloomberg.

Now at the Center of Attention

Werner and Metro Loft founder Nathan Berman are leading the redevelopment of the former Pfizer headquarters on East 42nd Street into approximately 1,600 apartments, including affordable housing. The project has been described as the largest office-to-residential conversion in New York City’s history.

The development drew national attention Tuesday after concerns about structural movement prompted evacuations, street closures and a large emergency response. City officials said engineers were evaluating the building, while the developers said there was no imminent danger of collapse.