The MSK Design Build Team
Scott Westby

Scott Westby, President, Owner

Scott founded MSK Design Build in 2001, after an early career in law, and returned to a lifelong passion for building that began in his youth. Known for his eye for detail and innovative design solutions, he has led the team to 28 industry awards. When he’s not working, Scott enjoys golf, skiing, mountain biking, and entertaining with Kat at their home in the Oakland Hills.

Kat Mullen

Kat Mullen, Vice President, Owner

Kat Mullen is one half of the husband-and-wife team behind our award-winning East Bay design-build firm. Scott launched the business in 2001, and Kat joined in 2011 after careers in special education and the shipping industry in New York. Together, they’ve been transforming East Bay homes with creativity, craftsmanship, and heart. Outside of work, Kat enjoys traveling, hiking, golfing, yoga, and visiting their twin daughters, who now live out of state.

Nicole Amen

Nicole Amen, Office Manager

Nicole Amen is the MSK office manager. She’s a dynamic multi-tasker, and handles everything from purchasing office equipment, to keeping us OSHA  compliant, scheduling client and vendor appointments and even removing splinters! A native Southern Californian, and a 24 year resident of Walnut Creek, Nicole has worked in various companies over the past 18 years, keeping those businesses running smoothly and efficiently. Nicole and her husband have three sons, two of them graduates of the University of Oregon (Ducks) and one in his last year @ Cal, Go Bears! The whole family are sports nuts,  game days are big in the Amen household. Nicole and her huband love cooking together, followed by working out to work off those delicious meals!

Margie Witt

Margie Witt, Bookkeeper

Margie joined MSK Design Build in September 2011. Having worked as a bookkeeper in a local construction firm for over 30 years, Margie’s wealth of experience, great work ethic, and dry sense of humor are a welcome addition to the team. An avid music lover and traveler, Margie is also a wonderful hands-on grandmother. Margie pays the bills and keeps us laughing!

Kelly Morisseau, CMKBD, CID

Kelly Morisseau, CMKBD, CID, Lead Designer

A Certified Master Kitchen and Bath Designer, and a Certified Interior Designer, Kelly joined MSK in 2002 after relocating from Canada. She’s a second-generation designer with over 25 years of experience.  She is also the author of several design books as well as an avid and well-respected kitchen and bath blogger.   Not only has she served as a design judge for NKBA national and regional competitions, but six of her MSK Design Build projects have won NARI awards. Well-traveled and savvy, Kelly’s clients love the high-end projects she creates as much as they love working with her. When not working, Kelly enjoys fine dining and European travel.

Suzy Baur, AKBD, CID

Suzy Baur, AKBD, CID, Designer

Suzy Baur landed on our shores from Switzerland in 1995, and happily calls the Bay Area home. Starting her career as an art historian, Suzy found herself drawn to interior design, including kitchen and bath design, as a means of beautifying the practical. A Certified Interior Designer, she loves listening to her clients, hearing their vision for their new space, and making the space a reality which reflects their lifestyle. Suzy loves working with a company that builds their own design projects. Color, material, and simplicity are her passions in design. Outside of the design world, Suzy enjoys visiting art museums, attending concerts, hiking, biking, gardening and birding.

Luz Lemos

Luz Lemos, Designer, CKBD

Luz Lemos is our new Designer. Originally hailing from Colombia, Luz spent five years in Atlanta and then relocated to the West Coast in 2014. With a degree from SF State in Industrial Design, and 9 years’ experience working with kitchen and bathrooms, Luz is knowledgeable, competent, motivated and full of heart! She is a talented draftsperson and works with her clients on every aspect of the project. We are very happy to have Luz on our team!

Michelle Campi

Michelle Campi, Design Administrator

Born and raised in Rio de Janeiro, Brazil, Michelle worked in the education field for 16 years as a Portuguese and Spanish teacher, as well as an education coordinator. In 2016, Michelle relocated to California to study English. Fate quickly stepped in and Michelle met her soon-to-be husband. Within 2 years, they were happily married and settled in Walnut Creek, where they live with their dog.

After working in logistics, Michelle decided to join us in the design-build construction field, and we couldn’t be happier! In their free time, Michelle and Joe enjoy hiking, fine dining, traveling, and – yes – raising chickens! And being Brazilian, of course, Michelle loves the beach!

Rutuja Jagtap

Rutuja Jagtap, Design Coordinator

Born and raised in Pune, India, Rutuja received her Bachelor of Architecture from Vishweshwarya University. She then went on to obtain her Masters in Architecture at the University of Illinois @ Urbana Champagne in Chicago. After 2 cold years in Chicago, Rutuja decided on California for her next adventure! With several years under her belt working as a junior architect in India, we were pleased to hire her as our Design Coordinator, where she will learn design build American style!

Rutuja has two passions: fashion styling and travel. Next stop: seeing the Northern Lights in Alaska – well dressed of course!

Curt Roth

Curt Roth, Project Manager, NARI Certified Remodeling Project Manager

Curt has worked with MSK Design Build since 2003 our project manager. He oversees the construction operations in the field, manages the client relationships on the job, keeps clients and subcontractors updated, and is responsible for scheduling the crew and trades once construction is underway. His calm demeanor makes organizing all aspects of a remodel look easy–it’s not.

Curt moved here from Oregon in 1997, and has been happily settled in the East Bay ever since. He enjoys the outdoors, boating, hiking, fishing and golfing.

Christina Nelson

Christina Nelson, Estimator, NARI Certified Remodeling Project Manager

Born and raised in Oakland, CA Chris started in the construction industry as a young woman. With her mother a property owner, and her grandfather a carpenter, it was inevitable! Chris started remodeling homes at 14, and investing in property in 2003. She became a carpenter, then an electrician, and eventually owned her own construction business (until we stole her away!)

Chris is an avid traveler and is currently pursuing flying small planes. She lives near Lake Merritt, and indulges her passion for wine and food in the great restaurant scene in Uptown Oakland. We are so pleased to have Chris on our team!

Jorge (George) Martinez

Jorge (George) Martinez, Utility Capenter/Plumber

Jorge has been with MSK Design Build longer than any other employee – he was Scott’s first hire 23 years ago!  His talents encompass many construction areas including plumbing, framing, stucco, and rough & finished carpentry. Jorge is quiet, funny, and extremely hardworking. No job is complete without him as a steady presence on the job. Jorge lives in Oakland, and enjoys visiting his family and friends in Mexico when he’s not busy swinging his hammer.

Chuck Gilbert

Chuck Gilbert, Lead Carpenter

Chuck is a talented finished carpenter, having worked through various roles within our company to become a lead carpenter.  With 20 years working with us at MSK, Chuck is a steadfast and respected member of our team. Chuck has 30+ years of flooring installation under his belt, having learned the trade from his grandfather. He’s an expert at cabinetry installation, and does all manner of fine finish work in the home. His attention to detail and willingness to listen to the customer’s comments and concerns earn him high praise from our clients, who speak highly of his work and professional manner while in their home. When he’s not working, Chuck and his wife Venetta are busy enjoying life with their three kids and many friends in the East Bay. We are lucky to have him on our team!

Alvaro Alas

Alvaro Alas, Certified Lead Carpenter, CLC

Alvaro followed his passion for craftsmanship by pursuing a career in carpentry, bringing with him a strong foundation in landscaping from years working in his family’s business. He joined the MSK Design Build team as an apprentice and quickly rose through the ranks thanks to his natural talent, strong work ethic, and calm, steady presence on every job site.

Now a valued lead carpenter, Alvaro plays a key role in our projects—handling everything from rough and finish carpentry to cabinetry, flooring installation, and even plumbing. A true team player, Al consistently goes above and beyond, earning the trust of both colleagues and clients alike.

Outside of work, Alvaro enjoys camping and family adventures with his wife Otilia, a military reservist, and their two children. Whether he’s on-site or off the clock, Alvaro brings dedication, kindness, and a quiet confidence to everything he does.

Jason Owen

Jason Owen, Certified Lead Carpenter, CLC

Jason Owen is a Northern California native, currently living in Vacaville with his wife Emily and ten year old son Brandon. Jason started in the construction trades in 1996, working as a custom home framer, and over the years has become a accomplished rough and finish carpenter, with great plumbing skills as well.  He also added Certified Lead Carpenter to his achievements.

Jason and his family are huge SF Giants and beach fans, and when not indoors watching games,  enjoy gardening as a family and weekend jaunts to the beach.

Joe Duron

Joe Duron, Lead Carpenter

Born and raised in Marysville, CA Joe was a handy kid. He and his cousins would help out neighbors in the area, doing home repairs and building chicken coops! At 20, Joe discovered a program called Youth Build and worked as an apprentice carpenter for a year, building 2 homes from the ground up. Joe loved the trade, and worked as a carpenter and an assistant supervisor, learning all aspects of the building trades. With 20 years of experience under his toolbelt, Joe is now a lead carpenter at MSK and we are pleased to have him.

Joe married Angela 15 years ago, and they have a 3-year-old son named Joe Junior and live in Manteca, CA. In their free time, they enjoy anything to do with the outdoors, including days at the beach, swimming, hiking, and camping. Joe has a lovely, calm demeanor and a can-do attitude that makes working with him a pleasure.

Jose Mariscal

Jose Mariscal, Utility Carpenter

Jose Mariscal and his lovely wife Erica have three children ranging in age from 18 to 7, so we know they’re busy! Jose has diverse experience in construction, from dry wall and framing to plumbing and flooring. Jose has a very calm demeanor and is always ready with a smile and a helping hand, which makes him popular with the crew. When not building and remodeling, Jose enjoys playing guitar, hiking, camping and listening to Audible books.

Sean Horton

Sean Horton, Painter

Sean was born and raised in Concord, CA and moved to LA when he was 22. He worked as a painter for 7 years, then added construction and plumbing to his resume. He moved back to the Bay Area in 2023 with his wife Cristhiane and his baby Luke, wanting to be closer to family. When not working, Sean and his family enjoy water sports, camping, and weekend adventures to various beautiful spots in the Bay Area and surrounding mountains. We love his work ethic, his positive outlook, and his sunny disposition.

Carlos Viramontes

Carlos Viramontes, Delivery Driver, Construction Helper

Carlos grew up in Concord, CA, and resides in Walnut Creek, CA with his wife Deztiny. After high school and some college, Carlos worked in the commercial construction industry, specializing in waterproofing. Committed to continuing to grow his skillsets, Carlos expanded into the residential construction field. At MSK Design Build, Carlos is a busy man, working to supply materials to job sites, and doing demolition for remodels. In his free time, he and Deztiny satisfy their passion for good coffee by trying out cafes all over the Bay Area. With his young children Julianna and Noah, the family loves visiting our many local beaches, and discovering new adventures!

Pedro Alvarado

Pedro Alvarado, Delivery Driver, Construction Helper

Pedro is our newest employee, and in addition to being a hard worker, he is cool, calm, and collected, with a killer smile. Originally from San Jose, Guatemala, Pedro and his partner Victoria live in Hayward with their 4-year-old daughter Sky. He is eager to learn construction, has an interest in learning rough and finished carpentry, and has worked with our lead carpenters in various areas.

When not working, Pedro and his family enjoy dirt biking, hiking, and playing soccer around the Bay Area. He enjoys the building trades, and his “can do” attitude makes working with him a pleasure.

They wanted to make it our home for us, and that made it really really special!

Amy Buta, Danville, CA, October 2017