Meet The Team

Gregg has spent the last forty years as an Industrial and Commercial Real Estate Contractor and Developer in Southern California, specializing in green building. His zero-carbon footprint, concrete house in Julian called “StoneHaven,” won the 2015 ACI Award for Excellence in Construction. Gregg has also been the founder and/or part Owner of numerous other businesses including an aluminum extrusion company, a surgical glove manufacturing company and various food-related businesses. He has numerous business interests in Mexico and East Asia.

Gregg has been a member of the International Palm Society since 1990 and his 1.5 acre garden in El Cajon boasts around 600 species of palms and cycads from all around the world. His interests include music (oboe, English Horn, piano and harp), scuba diving, underwater photography, hiking (with an emphasis on native plants) and travel.

Prior to joining Hamann Companies Matthew spent 10 years focused on Management Consulting for numerous Fortune 100 companies working in more than fifteen countries around the world. In 2014, Hamann Companies purchased a $150MM+ national food distribution company and asked Matthew to serve as the Chief Operating Officer (COO). Matthew stabilized operations and reduced expenses by $4MM annually, helped double sales to $300MM. In 2017, the Hamann’s asked Matthew capitalize upon his business success and use his skills to serve as Chief Operating Officer (COO) of Hamann Construction. Matthew has a degree from Baylor University in Finance and Operations Management and a Lean Six Sigma Green Belt. Matthew previously served on the board of the University of San Diego Supply Chain Institute.

Mario has been with Hamann for 15+ years as a Journeyman and Lead man completing and running 20+ projects. Mario was promoted to Hamann’s Estimator and coordinates all estimating and bidding. Prior to Hamann Mario served 8 years in the Marine Corps working in multiple countries.

Jake has spent time in every field in the New Construction division from apprentice, carpenter, foreman, superintendent, estimator, and project manager. He is able to leverage his field experience in creating cost savings for Hamann Clients and driving projects to completion. Jake is also an entrepreneur with a successful tax business and a veteran in the US Army as an Airborne Combat Medic.

Luke has managed over $100 million in construction renovation and previously worked for the largest privately held property management company in California. He has an MBA with emphasis in Finance. In his spare time he enjoys surfing, hiking, and spending time with his wife.

Bob’s brother introduced him to construction working for a tilt up contractor in Orange County in June 1978. Bob has been in the trade for 42 years, beginning his 5th year at Hamann. Bob is one of Hamann’s most senior superintendents with over 120 buildings and 5.5 million sq/ft built under his leadership. Bob was a 2012 Tilt Up Achievement Award Winner and has a degree from University of California Santa Barbara in Environmental Biology. He strives to continue to help younger technicians gain more knowledge while hoping to finish my career at Hamann.

Frankie got a scholarship for baseball and graduated with a degree in Sports Medicine. While he had a variety of options, a sibling who was a superintendent with Hamann piqued his interest. Frankie joined and has been with Hamann for 15 years. Frankie’s diligence and focus on excellence always leave clients extremely pleased with his work.

Frank has been in the trade and with Hamann for 16 years. He runs and manages all concrete pours under Hamann’s purvey.

Victor’s construction experience spans almost 15 years. His proven delivery and execution made him a prime candidate for a leader and is one of Hamann’s Superintendents.

Rick has 21 years in the construction industry and has been with Hamann 5 years working as a foreman
and then superintendent. Prior to joining Hamann he ran a precast facility. Outside of work Rick enjoys
time with family and recently became a proud grandfather.

Terry started at Hamann in 1990 as cement mason. He completed his apprenticeship here then moved onto other companies but returned to Hamann in 2012 as a carpenter. After returning, he gained experience in carpentry and became a superintendent. Terry has completed 8 projects. Outside of work Terry enjoys trips to the beach, hiking, and off roading.

Amanda has 17 years of experience in Payroll/HR/Accounting, 7 of which were under the Hamann umbrella of companies. She now serves as Hamann Construction’s Manager of Finance and oversees all back office duties.

For fun Amanda enjoys going on national park road trips with my two boys and husband.

Rebeca coordinated permits and drafted plans for Hamann’s Tenant Improvement Division for 18 years. Recently Rebeca moved into Hamann’s Architectural division to help Hamann’s in-house architect in developing plans and coordinating all phases of the project from design to permits, and the construction phase. Being the daughter of an architect, she always loved reading architectural magazines, and enjoyed looking at wonderful buildings. Now she gets to be part of the action!

Marni has 25+ years in administration. What she enjoys most is being able to support the staff in various ways throughout the day. During her free time, she enjoys visiting her two grandchildren in Washington State, walking, hiking, travel, and adventures.

Derwin started wiring track homes for his stepdad right out of high school. He has been in the trade for 36 years and with Hamann for 22 years. He is an early bird and usually first in the office at 4am. Derwin is an Electrical & Solar Superintendent and manages a variety of special projects for Hamann. His goal would be to retire at Hamann or work for one of their many other businesses.

Joel has been in the trade for over 10 years, 8 of which were with Hamann. In addition to being a Superintendent, Joel is also learning estimating for the Electrical Division. His goal is to able to build his own house someday.

Luke was intrigued by anything electrical since he was 6 years old. That’s also the age he learned to always unplug things before working on them having been shocked by a fan motor he was taking apart. Since hiring on with Hamann in 2007 he was able to take his hobby and make it a career.

Luke has a lovely wife and 2 dogs that are basically his kids. Luke served as a sergeant in the Army and is a combat veteran. He enjoys the desert, riding bikes, fabricating anything and everything and after 30 years since his first shock, still enjoys taking things apart in his spare time.

Michael leads the Electrical and Solar design for Hamann. He has a for photography and videography and hopes to start a professional company for video production in the future.

Mikee started as an apprentice with Hamann and is now a foreman for the Hamann Electrical and Solar department. Mikee’s scope of work has involved in hundreds of small tenant improvements to entire business parks. When not working Mikee enjoys cooking and trying to create new and exciting dishes for everyone to share.

Aaron has 23 years of experience working in a variety of trades. Aaron has been with Hamann Construction five years as a Superintendent for the Tenant Improvement Division and manages projects ranging from 500 sq/ft to 50,000 sq/ft.

Jose has been in construction for over 25 years. He started in the custom home business as a carpenter then becoming a foreman. Jose has been with Hamann Construction five years as a Superintendent for the Tenant Improvement Division and manages projects ranging from 500 sq/ft to 100,000 sq/ft.

Mark started his construction career by shoveling gravel as a laborer, then carrying lumber. An older carpenter told him to buy some nail bags and he wouldn’t have to carry so much lumber. Mark bought the bags, became a carpenter, a superintendent, and then project manager. He started in the construction trade in 1987 and I has been with Hamann for 25 years.

A fun fact about Mark, he was a paper boy in 1984 for the Daily Californian and they were located in what is now the Haman Office on Pioneer Way. It’s possible that I will say that I started and finished my career in the same building. Mark desires to honor God in his work.

Jose started working for Hamann construction in 1995. In 2009, following the steps of his mentor Joe Graves, Jose became a superintendent. Since becoming a superintendent Jose has lead 20+ projects for both new construction and the TI division. Jose is happy to say that Hamann construction has been able to keep him busy and challenged with new projects for the last 26 years, which says a lot about Hamann Construction as a company.