It Takes Commitment
and Discipline.

Dan Green is the third-generation leader of JAG and a seasoned developer with over thirty years of real estate development experience. During his tenure at JAG, Dan has personally directed the “ground-up” development, construction, and management of numerous industrial properties in six cities across the US. Dan began training for his career with JAG at age 15, when he spent the summer working as an apprentice to an electrical contractor. Every subsequent summer Dan worked with a different contractor, learning the basics of each trade and what it takes to build a high-quality building.

Dan received his Bachelor of Science at Babson College with a concentration in Entrepreneurship in 1992 and played on the men’s tennis team. Dan was promoted to President of JAG in 2000.

Dan has served on the Board of Trustees of numerous non-profits including Temple Shalom in Greenwich, CT where he served as President of the Board of Trustees. Dan currently serves as a Director of the Aurora Economic Development Council.

Dan lives in the Denver area with his wife, Shannon and their three teenage children. In his free time, Dan enjoys tennis, snowboarding, traveling, and spending time with his family.

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John Schoenfeld joined JAG in early 2019 and is jointly responsible for managing all aspects of JAG’s business, development, investment activities and capital formation, and implementing JAG’s strategic objectives.

Prior to joining JAG, John was a Managing Director and Founder of Houlihan Lokey’s Real Estate, Lodging, Leisure, and Homebuilding Investment Group. John has also worked at Salomon Brothers, where he established and developed its real estate merchant bank (principal investments) for the western United States. While at Salomon, John was involved in more than $3 billion of real estate sales, financings, and M&A transactions involving major foreign and domestic companies.

John holds a B.A. from the University of California, Los Angeles, a J.D. from Southwestern University School of Law, and an MBA from the University of Chicago Graduate School of Business.

John has served on the boards of numerous non-profits and industry organizations, including The Jewish Federation in Los Angeles and the Urban Land Institute.  He lives in the Denver area with his wife, Dr. Lori Annes. John and Lori have two children. In his free time, John is an avid cyclist, skier, and hiker, and he enjoys traveling with his family.

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Adam Teplitzky joined JAG in 2018 to focus on long-range capital planning, business development, and fostering client, industry, and community relationships. He is also jointly responsible for overseeing all entitlement and development efforts, as well as establishing the overall direction and corporate strategy of the company.

Prior to joining JAG, Adam served as COO and Head of Business Development at DSN Group Inc., a vertically integrated development and construction company based in Southern California. Prior to DSN, he was a Vice President at Hawkins Way Capital and its affiliated funds, where his primary responsibility was analyzing and executing real estate equity investments and capital market opportunities. Adam spent the first five years of his career with Houlihan Lokey Capital, where he was a member of the firm’s Real Estate Strategic Advisory Practice and Financial Restructuring Group.

Adam received his Bachelor of Science with distinction in accounting, finance, and legal studies from the Kelley School of Business at Indiana University.

Adam relocated to the Denver area with his wife Lizzi, a devoted educator, and their two young boys. They enjoy exploring Colorado’s beautiful landscape, trying new restaurants, and visiting with friends. In his spare time, Adam enjoys physical fitness, golf, hiking, traveling, and spending time with his family.

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Jeff O’Flahrity joined JAGreen Construction Management in 1998 as Project Manager. He is responsible for managing and coordinating all aspects of the construction process, from blueprints to finishing touches. Jeff works closely with the JAG’s contractors and design team to ensure high quality workmanship and that all customer’s facilities are completed on schedule. Jeff has previously supervised the construction of over 1 million square feet of warehouse space for JAG in in Grapevine, Texas and Houston, Texas.

Prior to joining JAGreen Construction Management, Mr. O’Flahrity worked for 35 years in various construction roles, beginning as Union Carpenter, and then rising through the ranks to General Superintendent, Project Manager, and Operations Manager. Jeff is a certified Crane Operator & Rigger and has worked for Betchek Oil & Gas, Orion Marine Construction, and Lewis Equipment in Texas and Florida.

Mr. O’Flahrity attended Los Angeles Technical College, with an emphasis on Building Codes, Regulations, and Estimating, as well as Madison Area Technical College, with a focus on Blueprint Reading and Welding.

Jeff lives in the metro area with his wife, and he enjoys working out, hiking, and traveling.

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Lisa Kozero joined JAGreen Construction Management in 2024 as Project Manager. She is responsible for managing and coordinating all aspects of the construction process, including design coordination, budgeting, scheduling and quality control. Lisa works closely with JAG’s contractors and design team to ensure high quality workmanship and that all customer’s facilities are completed on schedule.

Prior to joining JAGreen Construction Management, Lisa started in a construction field office position in 2004 in Southern California. She has worked on a variety of projects from K-12 educational facilities, fire stations and other public works projects to private sector churches and light industrial warehouses with technical tenant build outs or standard office improvements. She has experience working with multiple local and state jurisdictions in both California and Colorado.

Ms. Kozero attended Grossmont College and earned an associate’s degree in science (pre-nursing) before she turned her focus and career to construction management.

Lisa lives in Greenwood Village with her partner and their three cats. She enjoys traveling, hiking, camping, skiing and exploring all that Colorado has to offer.

Mitch Artist joined JAG in 2022, as Site Superintendent. Mitch is responsible for onsite construction supervision for all new construction and tenant improvement projects. Mitch also works closely with property management on the maintenance and repair of the property.

Prior to joining JAG, Mr. Artist attended Iowa State University and completed his studies at University of Wisconsin-La Crosse, where he was a competitive wrestler. After graduation, Mitch relocated to Denver and pursued a passion in sports performance, mentoring and coaching youth and adult teams. Following that, he helped run a small startup commercial cleaning business and ran the day-to-day operations for three years.

Mitch loves being outdoors, ideally with his Bernese Mountain dog, Zharah. You can find him camping and fishing in his free time. Mitch lives in Denver with his family.

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Darrell Frazier joined the JAGreen Construction Management team in 1982, at the age of 18. In fact, Darrell has worked for three generations of the Green family (Jack, Allan, and Daniel) throughout his time with JAG. Darrell’s father worked for Jack Green beginning in 1950 when JAG was just a relative start-up, and Darrell joined his father at JAG 32 years later. Darrell is Assistant Site Superintendent and unofficial “Mayor” of JAG. He is responsible for construction supervision, completing repairs and maintenance, and ensuring overall client satisfaction.

Mr. Frazier has worked in construction management for JAG in several markets, including New York, Houston, and Dallas.

Darrell enjoys weightlifting and running, and lives in the metro area with his wife.

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Cliff Benner joined the JAGreen Development team in the spring of 2022 as Senior Property Accountant and is responsible for assisting the Controller with oversight and management of financial reporting, payment processing, and financial analysis of JAG and all its related entities.

Prior to joining JAGreen Development, Mr. Benner worked as a Staff Accountant for Mehling Tax & Accounting and then RubinBrown, LLP, which is where he discovered a passion for real estate.

Mr. Benner attended Rocky Mountain College to pursue his Bachelor’s degree in Small Business Management and a Master’s degree in Accountancy. During his time in college, he worked for a small accounting firm.

Outside of work, Cliff enjoys playing hockey and video games, reading, and being outdoors. He lives in the metro area his wife.

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Shawnda Maher joined the JAGreen Development team in 2024 as Corporate Controller and is responsible for oversight and management of financial reporting, payment processing, and financial analysis of JAG and all its related entities.
Prior to joining JAGreen Development, Ms. Maher worked as a controller at local CPA firm for 8 years.

Ms. Maher attended the University of Mary in Bismarck, North Dakota, with a degree in Accounting and Business Administration.

Outside of work, Shawnda enjoys traveling and spending time in the mountains with her family.

Vicki Haber joined the JAGreen Development team in 2022, beginning as the Office Administrator and moving into the role of Property Manager in 2023. In addition to the overseeing and coordination of all property management and tenant relations, Vicki works closely with the executive team to assist with the facilitation of leasing and asset management.

Prior to joining JAGreen Development, Ms. Haber was an elementary school teacher for over 20 years, in grades 4, 5, and 6. She was an active member of District 27J’s teacher’s union and served on the executive board for four years.

Vicki received a BA with honors in Elementary Education from Cal Poly Humboldt, teaching credential from California State University at Fullerton, and her Master’s degree in Administrative Leadership & Policy Study from University of Colorado at Denver.

Vicki lives in Denver with her two sons. Like all good Coloradoans, she enjoys most things outdoors and is a recovering soccer and roller derby player.

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