We’re a Montana brand with Montana values.

Momentum was founded on the belief that integrity, craftsmanship, and accountability aren’t optional—they’re the standard. Every handshake means something. Every detail matters. And every project is a reflection of the pride we take in building spaces as enduring and authentic as the place we call home.

  • A smiling man with short dark hair, wearing a green shirt and brown jacket, sitting on a beige couch with green and brown plaid and plain green pillows in a modern living room.

    JAKE LEWENDAL

    OWNER & PRESIDENT

    Jake founded Momentum Customs to merge an exceptional homebuilding process with an equally exceptional product. Raised in Bozeman, his building career began at 12, sweeping jobsite floors for his family’s construction business. Over the years, he’s taken on roles from Superintendent on complex multi-family projects to Project Manager on bespoke mountain retreats. His expertise, relentless work ethic, and commitment to quality have made him a trusted name in luxury home building across Southwest Montana and beyond.

    A dynamic entrepreneur, Jake scaled Momentum Customs and Momentum Development to an eight-figure business in under three years, empowering his team to grow as professionals along the way. He also served as President of the Southwest Montana Building Industry Association (SWMBIA) and is a Certified Green Professional (CGP).

    Outside of work, Jake enjoys mountain biking, wakeboarding, and traveling with his wife Makenzie, daughter Brooklyn, and son Beckham.

  • A smiling man with short, light brown hair, wearing a gray plaid short-sleeve shirt, standing with arms crossed against a wooden wall and looking at the camera.

    PETER TRANAL

    OPERATIONS MANAGER

    From blueprint to final walkthrough, Peter is one of the reasons Momentum Customs operates with such precision and ease. A lifelong construction professional, he brings decades of hands-on experience and an unwavering commitment to craftsmanship. Known for his problem-solving instincts and meticulous attention to detail, Peter ensures every project not only meets expectations—but exceeds them.

    Outside of work, Peter finds balance the Montana way—spending his free time with his wife and two daughters exploring the outdoors, from snowmobiling through the mountains to lakeside mornings. Whether he’s building something extraordinary on-site or creating memories with his family, Peter approaches it all with the same integrity, care, and steady hand that define his work.

  • SARAH HULBERT

    CONTROLLER

    With precision, dynamism, and a commitment to excellence, Sarah plays a key role behind the scenes at Momentum Customs. Before joining us, she honed her financial expertise with six years in public accounting and a decade as Controller for a local restaurant management group. Her ability to build trust with clients, team members, and partners strengthens our operations, ensuring our projects consistently stay on budget and on schedule. Sarah thrives in a culture built on respect, teamwork, and meaningful relationships.

    When she’s not balancing the books, Sarah enjoys life as an outdoor enthusiast and skilled handgun instructor, always ready to take on new challenges!

  • BILLY TEMPLETON

    CONTROLLER

    With precision, dynamism, and a commitment to excellence, Sarah plays a key role behind the scenes at Momentum Customs. Before joining us, she honed her financial expertise with six years in public accounting and a decade as Controller for a local restaurant management group. Her ability to build trust with clients, team members, and partners strengthens our operations, ensuring our projects consistently stay on budget and on schedule. Sarah thrives in a culture built on respect, teamwork, and meaningful relationships.

    When she’s not balancing the books, Sarah enjoys life as an outdoor enthusiast and skilled handgun instructor, always ready to take on new challenges!

  • A woman with long brown hair, wearing a white blazer, smiles and looks at the camera, sitting on a tan leather couch in a bright room.

    PAUL PETERSON

    SUPERINTENDENT 

    The son of a builder, Paul was immersed in the construction industry from as early as he can remember—on job sites by seven, landscaping and building decks as a teen, and working on masonry and framing crews through his 20s. Now, he manages bespoke residential home builds with a BA in Business from the University of Wisconsin-La Crosse and years of hands-on experience. Paul understands every facet of home building, from construct to building trust with clients, partners, and team members. His enthusiasm, collaborative mindset, and focus on safety ensure smooth, enjoyable, and secure projects.

    Outside of work, Paul is an avid outdoorsman, spending his time hunting, skiing, fly fishing, and exploring the great outdoors with family, friends, and his pup by his side.

  • A man with a beard and short dark hair, smiling, wearing a light-colored button-up shirt, standing outdoors near a reflective glass wall.

    NICK PROELL

    SUPERINTENDENT

    Nick has been immersed in the construction industry since 2014, building his career from the ground up with a strong foundation in framing and carpentry. He began framing standard homes in Bozeman before transitioning into high-end residential projects in Big Sky around 2018, where his craftsmanship and attention to detail truly flourished.

    Nicks hands-on background gives him a management style rooted in collaboration and craftsmanship, helping contractors produce their very best work. He thrives on problem-solving, staying adaptable, and treating every build as an opportunity to learn and improve—a mindset that keeps his work fresh and fulfilling.

    Outside the job site, Nick enjoys endurance style dirt biking, boating, fishing, and hunting. At home, he and his wife are building a small hobby farm filled with horses, dogs, cats, and chickens—with plans to add cattle to the mix in the near future.

  • LISA WALTHERS

    HEAD OF GROWTH

    Lisa is a passionate leader dedicated to building multi-channel growth strategies and innovative brands that help mission-driven startups scale their impact. With more than 15 years of experience growing companies from early-stage ideas into recognized household names, she has led high-performing teams and played a key role in helping companies raise more than $200 million in venture capital along the way.

    Known for combining strategic thinking with creative execution, Lisa thrives at the intersection of brand, growth, and leadership. She is especially passionate about mentoring entrepreneurs, helping them build confidence, expand their vision, and grow into exceptional leaders in the business world.

    When she’s not building companies or supporting founders, Lisa is busy wrangling her three kids and a lively collection of fur and feathered friends including dogs, goats, and chickens on her “pretend farm” in Bozeman, Montana.

  • HAYDEN HAFT

    PRE-CONSTRUCTION MANAGER

    Hayden brings extensive hands-on experience across nearly every facet of the construction industry, from concrete and excavation to civil and sand-and-gravel operations. With leadership roles in estimating, sales, logistics, and management, he has developed a practical, comprehensive understanding of what it takes to guide a project from concept to completion.

    As Pre-Construction Manager at Momentum Development, Hayden focuses on clear communication, accurate planning, and fostering strong relationships with clients and project teams. He thrives on the challenge of transforming ideas into well-executed plans and takes pride in ensuring each project begins on a solid foundation.

    Outside of work, Hayden enjoys being outdoors, watching sports, and spending time with his wife. Together, they own and operate The Lucky Penny, a coffee shop in Bozeman, where they share their love of community and great coffee with locals and visitors alike.

  • MERRIT PETERSON

    MARKETING DIRECTOR

    Merrit has a decade of hands-on experience in lean marketing teams, where she’s worn every hat and tackled every part of the process. A creative at heart, she thrives on bringing big ideas to life, blending strategy, execution, and a keen eye for detail. Her experience across all aspects of marketing allows her to craft campaigns that are both innovative and impactful, while keeping teams aligned and projects running smoothly.

    Outside the office, Merrit lives as actively as she works. She explores the outdoors with her husband and their dog, Penny—whether it’s fishing, rafting, skiing, mountain running, or pushing herself in a challenging workout. She loves cooking and sharing meals with loved ones. On top of it all, she runs a side hustle: a women’s outdoor apparel company inspiring and equipping women to get outdoors & in the right gear. Merrit brings the same energy, creativity, and dedication to all her pursuits, whether it’s a marketing initiative or an outdoor adventure.

  • JOLINA LONEZA

    PROJECT COORDINATOR

    Jolina’s multifaceted background in construction and design brings invaluable expertise to our team, clients, and projects. Her previous role as an architect and interior designer in the Philippines continues to shape her approach today. Since 2018, she has honed her skills in project management, estimation, site supervision, design, and LEED consulting, blending technical precision with creativity and purpose. Introverted yet venturesome, outspoken yet empathetic, Jolina thrives in our open, innovative culture, where fresh ideas are welcomed, and work-life balance is a priority.

    In her free time, Jolina nurtures her passion for sustainability by volunteering with environmental initiatives and practicing permaculture. She also loves the arts, attending musicals, plays, and classical concerts every chance she gets!

  • MADISON VANCE

    EXECUTIVE ASSISTANT 

    Madison plays a pivotal role at Momentum Customs, ensuring that the company’s commitment to craftsmanship, care, and exceptional client experiences is felt in every aspect of the business. With a background in real estate and extensive experience in executive support and high-end client services, she brings organization, professionalism, and genuine connection to every interaction. Known for her attention to detail and her ability to anticipate needs before they arise, Madison supports projects and teams with both precision and heart, thriving in dynamic environments where collaboration and communication are key.

    A hardworking, loyal, and adaptable professional, Madison approaches her work with enthusiasm, integrity, and a sense of fun. She values teamwork and meaningful connections, always aiming to lift those around her and help them reach their full potential. Outside of the office, Madison enjoys spending time with her husband and young son, traveling to explore new places, trying new restaurants, keeping up with basketball, and making the most of the outdoors whenever possible.

“These are the most supportive, thoughtful, driven, and kind people I’ve ever had the pleasure of working with. Our team prioritizes being proactive over reactive, consistently finding efficient and innovative ways to uphold the highest standards. Having worn many hats over the years, I recognize the value of a dynamic team—and this team is unmatched!”

- PAUL, SUPERINTENDENT