Experienced Professionals
Meet Our Team
John V. Berry
Founder
Experienced in all aspects of zoning and land use, negotiation of development agreements, use permits, and variances.
Wendy R. Riddell
Founder
Experienced in all aspects of zoning and land use issues, real estate development, with emphasis on obtaining zoning approvals.
Martin A. Aronson
Of Counsel
Focuses on many types of commercial litigation, including condemnation, and other real estate litigation.
Cassandra Ayres
Attorney
Focuses on zoning, land use and entitlements, real estate litigation and development, and eminent domain and condemnation issues, including constitutional issues and complex commercial litigation.
Aimee Bergstrom
Legal Assistant
Aimee joined Berry Riddell in May of 2023 as a legal assistant to the zoning and land use team.
Diane Bolzan
Office Manager
Diane Bolzan joined Berry Riddell in 2020 after working in the real estate sector for several decades. She is a certified public accountant and has worked for various real estate …
David Carroll
Attorney
Experienced in construction lending, as well as retail, office, multi-family and homebuilder, commercial and industrial lending.
Elyse DiMartino
Planner
Experienced in entitlements, site development, and community outreach. As a fifth-generation Phoenician, she is passionate about planning.
Jason A. Donkersley
Attorney
Experienced in transactional real estate law, business and legal aspects of acquisition and other related transactions.
Jeffrey D. Gross
Attorney
Focuses on real estate and commercial litigation, including eminent domain, zoning, inverse condemnation and real estate valuation disputes.
Hugh L. Hallman
Attorney
Experienced in business law with a concentration in domestic and international finance and taxation, financial law and election law.
Marcus Hallman
Attorney
Concentrated primarily in transactional real estate law but also has experience in water law, including the allocation of surface and groundwater rights.
Michele Hammond
Principal Planner
Experienced in facilitating zoning and land use entitlements and development services related to General Plan Amendments and more.
MarJan Hill-Enriquez
Legal Assistant
MarJan has over 30 years of experience with municipal government and planning.
Lynda Kogutkiewicz
Legal Assistant
Lynda has worked in the legal field over 33 years, including litigation, bankruptcy, appellate, insurance defense, and environmental law.
Evelin Maldonado
Legal Assistant
Evelin is a native Arizonan and has spent the last six years assisting attorneys with matters ranging from personal injury to family law to real estate transactions.
Bob Olshan
Attorney
Bob Olshan is a transactional real estate attorney with a wide range of experience in commercial acquisitions, dispositions and more.
Kaelee Palmer
Planner
Land planner with expertise in rezoning, site planning, use permits, variances, public outreach, and more.
Danielle Pomasl
Administrative Assistant
Danielle Pomasl joined Berry Riddell in January, 2020 as an Administrative Assistant. With her background in hospitality management, Danielle is experienced in supporting teams and increasing efficiency and fluidity in processes.
Shelby Pope
Administrative Assistant
Shelby is an experienced administrative professional, adept at managing office operations including ordering, billing, payment processing, and other administrative duties.
Sarah Sawyer
Law Clerk
A law clerk and assistant planner concentrating in land use entitlements and site development
Michael W. Zimmerman
Attorney
Experience is concentrated primarily in commercial litigation, bankruptcy and advising a wide range of commercial and individual clients.