GH

Gregory H. "Greg" Jaske

New, NY

Trusted real estate attorney serving New York.

Practices in

Are you Gregory H. "Greg" Jaske?

This profile was built from public bar records and is still unclaimed. Claim it free to control your photo, bio, and fees — and get client inquiries sent straight to you.

Claim this profile — free

Quick answer

Gregory H. "Greg" Jaske is an attorney based in New York, NEW YORK. The practice focuses on Real Estate.

Based in
New York, NEW YORK
Experience
attorney
Known for
Real Estate
  • Handles Real Estate matters from New York, NEW YORK.
  • Recognized with Best Lawyers in America — Real Estate Law (2026).

About Gregory H. "Greg" Jaske: Gregory H. "Greg" Jaske is an attorney based in New York, NEW YORK. The practice focuses on Real Estate.

Areas of practice

Practice focus

Gregory H. "Greg" Jaske represents clients in New York across the following areas of law. Each area links to other verified attorneys with the same focus.

Biography

About Gregory H. "Greg" Jaske

Gregory Jaske advises real estate developers, property owners and investors in sophisticated real estate matters.

Greg maintains a broad-based real estate practice that includes negotiating and structuring LLC and other joint ventures, acquisitions, purchase and sale agreements, development agreements, ground leasing and borrower-side financings.

With extensive experience in New York City and nationwide, Greg has guided clients through multimillion dollar joint venture agreements, representing both operators and investors in significant multifamily, commercial, and mixed-use properties and development projects. He also regularly counsels clients in telecommunications real estate matters, including data center development and leasing and rooftop facility leases, as well as tenant-side retail healthcare leasing. In addition, Greg has substantial experience in commercial real estate financing matters, from loans to purchases of co-lending interests and loan participations totaling billions of dollars in loan originations.

Greg frequently serves as lead counsel in high-stakes real estate matters, including representing a multi-billion-dollar family office in its negotiation of real estate joint ventures with sponsors for horizontal and vertical phases of development. Clients rely on him for his ability to structure and negotiate joint venture agreements, purchase and sale agreements, development agreements, property and asset management agreements, office and retail leases, telecom-related real estate agreements and real estate-related corporate matters.

Prior to joining Olshan, Greg worked at Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. and other prominent New York law firms, where he handled a wide array of real estate matters, including complex joint ventures and development projects. He began his career as an analyst at a leading international financial services institution and a hedge fund.

Greg grew up and resides on Long Island. He enjoys spending family time skiing, hiking and exploring the Catskills.

Credentials

Education

  • Brooklyn Law School

    J.D. · 2013

Recognition

Awards & honors

  • Best Lawyers in America — Real Estate Law

    2026

  • Best Lawyers in America — Awards:

    2026

  • Best Lawyers in America — The Best Lawyers in America

    2026

  • Best Lawyers in America — as “One to Watch” for Real Estate Law, 2025

    2026

  • Best Lawyers in America — Named a “Rising Star” by

    2026

  • Best Lawyers in America — New York

    2026

  • Best Lawyers in America — Metro

    2026

  • Best Lawyers in America — Super Lawyers

    2026

  • Best Lawyers in America — annually since 2017

    2026

Locations

Office locations

Main office

1325 Avenue of the Americas, 15th Floor

New York, New York 10019

Open in Google Maps

Client feedback

Client reviews

No reviews yet

Only verified clients who have consulted with Gregory H. "Greg" Jaske can leave a review.

Schedule your consultation

Frequently asked

Common questions

  • What areas of law does Gregory H. "Greg" Jaske practice?

    Gregory H. "Greg" Jaske focuses on Real Estate.

  • Where is Gregory H. "Greg" Jaske located?

    Gregory H. "Greg" Jaske primarily serves clients in New York, with an office at 1325 Avenue of the Americas, 15th Floor.

  • Is Gregory H. "Greg" Jaske a verified attorney?

    Gregory H. "Greg" Jaske's profile is listed but has not yet been claimed by the attorney. Verification status is pending.

  • How can I schedule a consultation with Gregory H. "Greg" Jaske?

    You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 212-451-2300.