our team 2017-06-01T00:57:25+00:00


We pride ourselves at Sendero Homes on building a close working relationship with our clients: anticipating their needs, providing timely updates and consultation, keeping a close watch on cost variables and attending to the fine details. To accomplish that we have assembled a team of top-flight professionals with real-world custom home building experience. Each project has one manager who serves as the point-person for every aspect of your new home. We’ll enroll you in our Co-Construct tracking program so you can see photos as your home progresses and communicate with your assigned manager. We offer design advice and coordinate the selection phases of the building process to be efficient with your time and ours. And we all are here to help in any way we can.

Lance Haley, vice president
vice president
Scott Walther,
VP operations
Ben Davis, project manager
construction manager
Joel Broom, project manager
project manager
Michelle Tumlin, interior designerMICHELLE TUMLIN
interior designer
Missy Hernandez, office manager
office manager
Kelly Nerney, office assistant
office assistant
Scott Walther bio

Scott Walther

Quality, personal approach to every client request or preference, and ensuring a steady stream of communications, Scott brings that nearly impossible combination of skills to Sendero Homes. From their first handshakes, clients recognize his singular abilities that have been honed by over a decade in the industry – a penchant for perfection and an understanding of our clients’ highly individual lifestyles. He is no stranger to construction, spending much of his time on site, he keeps a watchful eye on every detail of the building process, including both new construction and major remodels. Originally from Nebraska, Scott brings with him that mid-western sense of honesty and fairness that is so strongly represented by all of Sendero Homes’ team. Away from the office, he enjoys spending time with his wife, Julie, and three children, Cody, Cole and Cara. He also enjoys all sports and coaching his children’s sports teams. Continuing on in the Sendero way, Scott is committed to building the legacy of Sendero Homes into the future.

Cosmo Palmieri bio

Cosmo Palmieri

Cosmo oversees all the building and business aspects of the company. An Austin resident since 1987, Cosmo attended Westlake High School and received his B.A. in Economics from the University of Texas. As a Texas football letterman, he learned discipline and perseverance that have served him well since starting Sendero in 1994. Cosmo’s father was Vice President of a successful construction company that built skyscrapers throughout the United States. That background fed Cosmo’s interest in the construction industry and eventually, property development.

Lance Haley bio

Lance Haley

Lance holds a B.F.A. from the University of Texas at Austin and a B.S. in Industrial Design from the Art Center College of Design in Pasadena, CA. A third-generation home-builder, Lance is in charge of the day-to-day organization of on-site construction. His presence ensures that our homes meet our exacting standards . . . and yours. Lance demands the finest in workmanship and is renowned for his innovative style and attention to detail.

Ben Davis bio bio

Ben Davis

In 1999, Ben started his journey in the homebuilding industry. Right away he enjoyed the pride that came with building a quality product. Ben brings his excellent customer service, time management and organizational skills to the Sendero team.
As a graduate of Colorado State University, he is able to find a solution to any problem that may arise and works endlessly to make sure the quality of the home is top notch. In the industry of homebuilding many challenges arise. Ben tackles them all.
In his free time you can find Ben spending time with his lovely wife Jamie, watching his two sons, Jacob and Brady, play sports, and if he can squeeze it in to his hectic schedule, taking in a game of golf.

Barry Schwartz bio bio

Barry Schwartz

While attending Texas State University, Barry was a biology major and had plans of becoming a doctor. His fraternity brother’s dad was president of a local Austin homebuilding company where Barry decided to get his first job in the construction industry. Barry soon realized this is what he would enjoy as his career.
Several years into his building career he was nominated for builder of the year at the MAX awards. In 2008, he started his own construction company that he successfully ran for 4 years where he built and remodeled many homes. His favorite part of being a homebuilder is the interaction with clients and the collaboration to design homes that are one of a kind.
In Barry’s free time you can find him enjoying the outdoors and spending time on the lake with his wife, Ashlie.

Robert Higgs, project manager

Robert Riggs

Growing up with a builder as a father, Rob learned very early on what it takes to be a home builder. Born and raised in Austin, Rob was on job sites before he was old enough to work. By high school he spent his summers working with framing crews, which taught him volumes about reading plans and the specifics of how a home is built. While at the University of Texas, where he would later graduate with a BS in Mechanical Engineering, he also owned a number of businesses that catered to the homebuilding industry.
His capabilities to effectively manage subcontractors and materials to achieve the final goals of the project while also meeting the owners expectations is what makes Rob a wonderful part of this team. “Once you get building in your blood, it is very hard to work at anything else. There is something about taking a raw piece of land and turning it into a finished home where a family will grow and make memories, that is fulfilling and rewarding when you look at what you have created.”
In his free time you can find Robert camping, hiking, swimming, and fishing with his family.

Sergio Tamez, superintendent

Sergio Tamez

At the early age of 15, Sergio developed a love and knowledge of construction by observing his uncle successfully run and own a homebuilding company in Mexico.
After moving to the United States, he continued pursuing his passion in this industry. Sergio studied construction management at Austin Community College and attended UTSA architectural school where he gained numerous outstanding skills that set him apart from others. He brings a unique perspective to our already outstanding team of construction professionals.
In his free time, you can find Sergio playing soccer and barbequing with his family.

Roy Rocha, construction manager

Roy Rocha

Since starting in the homebuilding industry in 1978, Roy has gained necessary skills that come along with the job as well as become a Certified ICC Residential Combination Inspector in which he demonstrates a confirmed commitment to protect the public health, safety, and welfare. Under any circumstance, Roy is able to organize and facilitate the construction of new homes while bringing spectacular personal skills.
He enjoys working with trades, vendors, and home owners to solve the issues that may arise with each in a timely and effective manner.
Roy is very much an outdoorsman. Not only does he love having the ability to work in the outdoors as a career, but he also hunts in his free time.

Michelle Tumlin, interior designer

Michelle Tumlin

Michelle Tumlin creates remarkable spaces that uniquely enhance each client’s lifestyle and reflect their taste and personality. An accomplished interior designer with more than 15 years of design experience, she is known for her ability to connect to people and develop spaces that inspire them. With a sophisticated eye for excellence and personal attention to detail, Michelle instills her passion for design into the artistic process while making it simplified and fun. Her extensive knowledge of building materials and construction makes it easy for her to guide clients through their home selections. Her projects range in style from extraordinarily modern to traditionally refined.
A native to the Lone Star State and graduate of The University of Texas at Austin, Michelle enjoys calling Austin home. Her inspirational and distinctive design, from her travels and living in many parts of the world, can be found in the details of her work. As a recognized artist, Michelle enjoys oil painting when she’s not designing, as well as spending time with her husband, Doug, family and friends. “Working as a designer is a blessing, an amazing opportunity to blend people, beauty and the spaces they live in.”

Missy Hernandez, office manager

Missy Hernandez

Missy moved to Austin in 1997 from El Paso to fill in temporarily at SBC while her sister took a year off from her position there. She returned to school and completed her accounting education in 2001 at SWT (now Texas State University). Missy manages the day-to-day activities at our office. She may be counted on to handle any matter that may arise in a prompt and efficient manner.

Luke Blair, project manager

Luke Blair

Luke has more than 10 years in the homebuilding industry. He began his career in home construction after graduating from Southwest Texas State University. Luke joined the Sendero Homes team in 2014 and brings a strong work ethic along with a great attitude. He loves homebuilding because he feels a real sense of accomplishment. In his spare time you can find him fishing, hunting, traveling and spending time with his family and friends.


Danielle Lopez

administrative assistant


Scott Booth



Casey Zook


Jeanne Shultz bio

Jeanne Schultz

Jeanne holds a BA in Geography with a focus in Sustainability and minor in Architecture from The University of Texas at Austin. She is passionate about buildings and as an estimator and designer facilitates the building process at all stages. From cost analysis to design development, Jeanne is dedicated to realizing projects in careful detail and exceeding client expectations.

Christian Bourguignon_color

Christian Bourguignon

Christian is a veteran of the construction industry for over 25 years. His passion for building unique and quality homes began right after college while working for a small independent homebuilder in Berkeley, California. During that time he learned hands-on skills of carpentry, electrical, and general construction methods.

Christian then diversified his experience working in project management for commercial and public works projects during his time in the Bay Area. Then in the early ’90s he moved to Boise, Idaho where he worked as a development and project manager for US Bank, responsible for all new bank construction in the State of Idaho.

In 1995 he forged his own homebuilding company, which he solely owned and operated through 2009. His focus was on distinctive quality and unique designs, through which he paved the way for a new generation of builders in his region. Christian’s attention to detail and eye for design earned him multiple first place awards for numerous Parade of Homes entries as well as the Builder of the Year award.

In 2011 Christian moved his family to Austin where he continues to explore and indulge his passion for quality homebuilding with the Sendero team. Christian earned a BS in Business Administration at UC Berkeley, as well as completed a Certificate program in Construction Project Management & Estimating.

When not spending free time with his wife Terra and three children, Christian enjoys camping, mountain biking, and contributing his leadership to the Boy Scouts of America.

Kelly Nerney bio

Kelly Nerney

Kelly recently moved to Austin from Northern California. She attended California State University, Sacramento and received her Bachelor of Arts degree in Film. Kelly has been in administrative positions for approximately five years. In her spare time Kelly loves attending music festivals, spending time with her puppy and watching baseball.

Reggie Cowart bio

Reggie Cowart

Reggie’s entire career has evolved around residential construction and the home building industry. As a graduate of Texas State University in 1999 with a Technology of Construction degree, building homes has always been his path. After college he started his career building production homes for a national builder, where he honed his skills in project management, creating an eye for perfection and mastering time management. He then spent eight years on the other side of the business selling homes, where he crafted his customer service skills. Reggie came full circle back to his first love of building. Reggie’s passion now is building luxury homes. He prides himself in delivering quality custom homes. With over 16 years in the industry he can draw from and leverage his experiences in building, selling and designing homes to your advantage. Reggie strives in his attention to detail and customer satisfaction, to deliver the best product and best customer experience.

A native of Texas and long time Austinite, Reggie enjoys family life in Lakeway with his wife and two children. He spends most weekends coaching his son’s little league, enjoying the outdoors, doing a DYI project on his personal home or going for a run around Lake Travis.

Joel Broom_color

Joel Broom

Joel’s love for building started at a young age in his grandfather’s woodworking shop. His experience has grown from cabinetry to remodeling to custom home building. Originally from Seattle, Joel graduated from Western Washington University. When life moved him and his wife, Ali, to Houston in 2009, he began his career building custom homes.

Joel has a high attention for detail and holds a personal investment in each project. He desires to build the highest quality residence for the clients of Sendero Homes. oel truly enjoys the daily tasks involved in home building and has strong relationships with vendors and trades.

Joel enjoys discovering the Hill Country with his wife, playing with his two sons Justus and Titus, and serving at his church. He continues his love for remodeling in his own home, especially when his oldest son is right beside him.