Meet The Team

Leadership Team

Gregg Hamann

Gregg Hamann

President

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.

Matthew Sanders

Matthew Sanders

Chief Operating Officer

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.

Paul Giese

Paul Giese

Vice President and Chief Architect

Paul has been with Hamann for 25+ years. Paul has shown an acute ability to render a client’s needs in a concise, cost effective manner and to capably present those concepts both verbally and graphically. He works to coordinate the project team: clients, other architects, sub- contractors and government agencies to complete projects on time, within budget and to the fulfillment of the client’s needs.

Paul Giese has been in continuous practice as an architect since graduation from Cal Poly, San Luis Obispo in June of 1980. He has served variously as project designer, project manager, job captain and project architect. His work experience includes programming, design, construction document preparation and construction administration for light manufacturing, office, religious, educational, research & development and warehouse facilities. Space planning experience includes large scale planning and facility re-use for major San Diego area telecommunications firms along with manufacturing facilities and corporate headquarters.

HAMANN CONSTRUCTION

JOHN BELCHER

JOHN BELCHER

Vice President

John began his career with Hamann Construction in 1989. After starting as an apprentice carpenter, he worked in the field as a journeyman carpenter for 10 years, then as Superintendent, and has been Project Manager since 2006
Amanda Rowland

Amanda Rowland

Manager of Finance

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.

BOB STOUT

BOB STOUT

Superintendent

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.

BRIAN MOHLER

BRIAN MOHLER

IT Admin

Brian supports and maintains all the technology at Hamann Companies. He got his start in technology via a web design degree and began working for a mobile-app building company. He soon branched out as a database administrator.

Brian enjoys learning about technology and how it relates to the world of construction specifically. A fun fact; Brian is a huge movie buff and has a collection of more than 6,000 films.

FRANKIE IBARRA

FRANKIE IBARRA

Superintendent

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 VALDEZ JR.

FRANK VALDEZ JR.

Superintendent

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

JAKE RICHARDS

JAKE RICHARDS

Lead Estimator

Jake began his construction career with Hamann in 2010. Starting first as a field carpenter he was asked to start running projects as a Superintendent in 2016. Soon thereafter he began managing projects as a Project Manager. In 2021 he joined the New Construction Division Estimating Team. He is able to leverage his field experience in creating cost savings for Hamann Customers. Jake is also an entrepreneur with a successful tax business and a veteran in the US Army as an Airborne Combat Medic.

JEFF CROUCH

JEFF CROUCH

Superintendent

Jeff got his start in Construction from his best friend’s father and has been in the trade for 28. As Jeff tells it, he was hired by accident in 1996 after talking to one of Hamann’s old project managers after the superintendent who sent me to him said they weren’t hiring. The project manager told him to go work for the superintendent anyways. Every Friday the superintendent would tell me “you did okay this week; you can come back next Monday.” Jeff is one of Hamann’s most senior superintendents with over about 75 buildings for a total of about 5 million feet.

LAUREN ELLIS

LAUREN ELLIS

Insurance & Subcontracts

Lauren manages insurance/subcontracts and photography for Hamann’s website. Prior to joining Hamann she worked in lighting and distribution for 7 years.

For fun Lauren enjoys time with family and friends, going on adventures, and exploring God’s beautiful creations.

LYDIA KNAPP

LYDIA KNAPP

Accounts Payable Administrator

Lydia runs Accounts Payable and takes pride in making sure Hamann’s subcontractors and venders AP needs are met in timely manner.

Mario Lopez

Mario Lopez

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.

 

MARNI JACKSON

MARNI JACKSON

Receptionist

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.

REBECA MULLEN

REBECA MULLEN

Architectural Coordinator

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!

RENATA VICENTE

RENATA VICENTE

Permit Coordinator

Renata was born and raised in Brazil (so if you hear an accent, that’s why). She loves developing these relationships and takes great pride in her ability to leverage the connections and trust she has earned from each individual. Doing so in a way that makes each of her contacts feel appreciated and respected adds to her natural sense of joy.

TEMO FUENTES

TEMO FUENTES

Superintendent

Temo has 18 years of experience in the trade and has been with Hamann for 17 years. He has a million+ sqft in his career.

TYLER CROUCH

TYLER CROUCH

Superintendent

Tyler’s Dad introduced him to the trade and he joined the carpenters union and Hamann Construction in 2005. After 13 years of work he achieved his goal to become a Superintendent. Tyler is a great technician that piloted out a new and more efficient way for Hamann Construction to execute their paving pours.

Victor Lopez

Victor Lopez

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.

HAMANN SOLAR & ELECTRIC

RICH ANDERSON

RICH ANDERSON

Vice President

Rich Anderson joined Hamann Construction in 2002 as an electrician’s helper. He quickly worked is way up to a lead position, foreman, then superintendent. He is now electrical division manager and oversees all aspects of the electrical and solar departments which include design, estimating and project management. Rich’s vast knowledge of the field and real-life application of electric in the field makes him a key component to Hamann’s ability to produce cost effective methods of electrical installation and design. Rich holds a California State Electrical Contractors license and is a California State Certified Lighting Controls Acceptance Technician (Title 24).

DERWIN CHANG

DERWIN CHANG

Electrical/Solar Superintendent

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 HUNTER

JOEL HUNTER

Electrical Foreman

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 LUNSFORD

LUKE LUNSFORD

Electrical Superintendent

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.

MARIO GOMEZ

MARIO GOMEZ

Electrical Foreman

Mario got started in the trade 22 years ago via way of his father. He has been with Hamann 5 years. As a foreman for the electric team Mario manages jobs ranging from new construction to building rehab and maintenance.

MICHAEL ANDERSON

MICHAEL ANDERSON

Electrical/Solar Design

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 ELLIS

MIKEE ELLIS

Solar Foreman

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.

RICH GOMEZ

RICH GOMEZ

Electrical Foreman

Rich has 20 years in the Electrical Industry and 6 years with Hamann. Excellence is what he always strives for and he was drawn to Hamann’s core values. Rich is a foreman for the electrical team and manages
jobs ranging from new construction to building rehab and maintenance.

Rich has a beautiful wife, 5 incredible children and 2 amazing grandchildren. He is a family man and enjoys getting away to the desert to dirt bike, kayak fishing and spending time in the lazy river.

HAMANN TENANT IMPROVEMENT

Aaron Armstrong

Aaron Armstrong

Vice President of Tenant Improvement

Aaron’s as Vice President of T.I. is to focus on project sales, delivery, and development of both our people and processes. This includes being a steward of Hamann’s finances, generating a clear and informative communication to Hamann’s partners, along with developing relationships to support the history and future of the Hamann brand.

Professionally Aaron have been involved with process improvement for 20 years, with an emphasis on people development and value creation over the last 7 years, and is fortunate to be able to bring these concepts to Hamann. Aaron has worked under the Hamann umbrella since 2012 and started working in the Tenant Improvement Division in June of 2019.

Aaron’s goals are to sustain and enhance the relationships that have been established over the history of Hamann Construction, along with providing excellent service to Hamann’s project partners. The T.I. team would like to continue to grow the portfolio of work and showcase the vast variety of skills, talents, craftsmanship and final products of each project as seen on Hamann’s website.

Some of Aaron’s interests outside of Hamann are saltwater fishing, particularly in Bahia De Los Angeles, B.C. Mexico. Aaron is also a certified Canine Specialist and very much enjoys training dogs and their handlers. Family camping trips and traveling are at the top of his list for annual getaways and are great ways to recharge and reset.

AARON ORMAN

AARON ORMAN

Superintendent

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.

BOBBY FALAR

BOBBY FALAR

Sales & Delivery

Bobby has 23 years in Construction Management as a project manager and estimator and has been with Hamann for 3.5 years. A fun fact: he worked on the Staples Center in Los Angeles and noted that they used 9.1 miles of copper piping to chill the hockey rink and the project was built in 18 months. Bobby has a degree from USC in Construction Management.

JOSE LIRA

JOSE LIRA

Superintendent

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 ROHRER

MARK ROHRER

Project Manager

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.

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