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Lowenstein Sandler Adds Brendan Kalb And Nathan Calko To Investment Management & Private Funds Group

Reported by Pulse2
Sep 8, 2026· 3 min read
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Key Takeaways
  • • Lowenstein Sandler expands its Investment Management & Private Funds Group with two senior hires: Brendan R. Kalb (Global General Counsel from ExodusPoint Capital Management) and Nachman "Nathan" Calko (from Simpson Thacher & Bartlett).
  • • Kalb brings 25+ years of private funds industry experience, including prior roles as General Counsel at AQR Capital Management, with expertise in legal, regulatory, compliance, and fund structuring across multiple investment strategies.
  • • Calko contributes nearly 10 years of experience in private fund formation and structuring across diversified strategies including private equity, credit, secondaries, infrastructure, and real estate co-investment structures.
  • • The dual hire strengthens Lowenstein's capacity to serve asset managers with integrated in-house operational expertise and specialized private funds legal counsel, addressing current market demand for practical, commercially-focused advisory services.
  • • Robert G. Minion, partner and Chair of Lowenstein's Investment Management & Private Funds Group, characterizes the hires as combining in-house and law firm experience aligned with sophisticated investment platform requirements.
Summary
Lowenstein Sandler has announced the expansion of its Investment Management & Private Funds Group through the addition of two experienced professionals in leadership roles. Brendan R. Kalb joins from ExodusPoint Capital Management, where he held the position of Global General Counsel, while Nachman "Nathan" Calko transitions from Simpson Thacher & Bartlett, a major transactional law firm.

Kalb's appointment brings substantial depth to the firm's operational and compliance capabilities. With more than 25 years of experience across the private funds industry, Kalb's background includes previous roles as General Counsel at AQR Capital Management and positions at leading law firms. His expertise spans legal, regulatory, and compliance functions for investment advisers, as well as the design, development, and management of investment funds across diverse structures and strategies. This combination of in-house and advisory experience positions him to advise clients on comprehensive business and operational matters beyond traditional legal counsel.

Calko's hiring adds specialized expertise in private fund formation and structuring. Over nearly a decade, he has represented sponsors in establishing and operating private investment funds across a wide range of strategies, including private equity, credit, secondaries, continuation vehicles, infrastructure, and real estate. His experience extends to co-investment structures and separately managed accounts, providing the firm with granular knowledge of current fund architecture and operational design across the alternatives industry.

According to Robert G. Minion, partner and Chair of Lowenstein's Investment Management & Private Funds Group, the dual hire addresses a critical market need: "Brendan and Nathan bring a great combination of in-house and law firm experience that aligns perfectly with the needs of today's asset managers." Minion emphasized that Kalb's background leading legal and regulatory functions at sophisticated investment platforms, combined with Calko's deep structuring knowledge, enhances Lowenstein's ability to deliver practical, commercially-focused legal services across the broader investment management community. The expansion signals the firm's strategic positioning to serve institutional asset managers navigating increasingly complex regulatory and operational requirements.

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Sources

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Pulse2 Lowenstein Sandler Adds Brendan Kalb And Nathan Calko To Investment Management & Private Funds Group