Atty. 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.
Profile Summary
About Gregory H. "Greg" Jaske at a glance
Gregory H. "Greg" Jaske is a real estate attorney based in New York, New York, practicing at Olshan Frome Wolosky Llp. Educated at Brooklyn Law School (J.D., 2013). Recognitions include Best Lawyers in America — Real Estate Law (2026), Best Lawyers in America — Awards: (2026), and Best Lawyers in America — The Best Lawyers in America (2026). Serands clients in New York, NY and the surrounding metropolitan area.
Want to Get Service From This Attorney?
Sign up free and choose one of the two methods below.
Have a legal question? Sign up free, submit it through the Ask the Attorney module and receive a focused answer from a specialist.
- Free to ask a question
- Answers from specialist attorneys
- Optional private / anonymous question
Request an online video meeting or an in-person consultation at the attorney's office. Pick a time that works for you and share the details securely.
- Online video meeting
- In-person at the attorney's office
- Secure messaging and payment
About
- 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
Practice Areas Explained
Gregory H. "Greg" Jaske's Areas of Practice
Each practice area below reflects the types of cases Gregory H. "Greg" Jaske handles, with a brief overview of what that area of law covers.
Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.
Gregory H. "Greg" Jaske is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in New York →
Jurisdictional Context
Why local counsel matters in New York
Practicing law in New York. Legal matters in New York are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in New York are typically filed in the local municipal court or the appropriate New York state district court, depending on subject matter and amount in controversy. An attorney licensed in New York brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in New York courts without local counsel or pro hac vice admission.
Looking for additional New York attorneys? Browse all attorneys in New York or all attorneys in New York.
Frequently Asked
Common questions about Gregory H. "Greg" Jaske
Where is Gregory H. "Greg" Jaske's law office located?
What practice areas does Gregory H. "Greg" Jaske handle?
Where did Gregory H. "Greg" Jaske go to law school?
How can I contact Gregory H. "Greg" Jaske for a consultation?
What awards or recognition has Gregory H. "Greg" Jaske received?
Practice Areas
Education
Awards
Reviews
No reviews yet.