Our Core Values

Collaboration - We collaborate with our customers to develop creative solutions to problems. Real, big commute problems. Our approach is strategic and we pay attention to the details. Our relationships are collaborative, open, and honest.

Innovation - We're pioneering a new way of approaching the commute and we are constantly innovating to improve our product. We encourage each other to be better and have challenging conversations when needed.

Empowerment - We believe that employers play a key role in tackling commute solutions, empowering their employees, reducing carbon emissions, and improving local communities. Our technology enables employers to control commuter behavior and better the environment.

Excellence - We strive to find solutions that will work and last. We take pride in providing our customers not only with solutions to their commute problems, but also ongoing support. Customer satisfaction is extremely important to us.

Our Team

The Best and Brightest
Luum - Sohier Hall President / CEO

Sohier Hall

President/CEO

Sohier has dedicated his life's work to helping people answer two simple questions: "Where are you going? How are you getting there?" In 2012, after many years in senior management at Microsoft, Sohier founded Luum to go to work with these questions. Luum's trajectory is the ultimate "Where & How" exercise.
Outside of Luum, Sohier challenges himself to go from point-A to point-B physically. He is a long-time competitive rower, Nordic skier, and mountain biker. Last summer he reunited with six college rowing teammates and hiked The 50: non-stop from Mt. Moosliauke to the Dartmouth campus, his alma mater. Sohier lives in Seattle with his wife and three daughters.

Luum - Tyler Simpson Chief Technology Officer

Tyler Simpson

Chief Technology Officer

As a husband, parent, competitive rower, runner, and technologist, Tyler is a man of many talents—not the least of which includes leading the technology side of Luum. In his heart he's now a Seattleite, but Tyler has also called himself a New Yorker, Chicagoan, and San Franciscan. When he's not working at headquarters, he likes to work out, run, row, and shoot hoops. Rumor has it he's even picked up the art of winemaking. Tyler makes his daily trek into Seattle on his bike or else the bus.

Luum - Matt Hall Chief Architect

Matt Hall

Chief Architect

Matt hails from Jersey. What's that? He's lived in Seattle for over a decade? Well, both cities hold a place in his heart, even if it's hard to shed his East coast roots. Matt's our back-end guru, specializing in creating a scalable, responsive Luum. His passion for code is only trumped by his love for the Duke Blue Devils, who we hear have a decent basketball team. Outside of Luum, you can usually find Matt yelling his heart out at a Seahawks game. Don't let that scare you—he's quite amiable. Just don't wear a Carolina shirt around him.

Luum - Jonathan Kallay Developer

Jonathan Kallay

Developer

Jonathan is a multifaceted member of the team who loves the opportunity to roll up his sleeves with software development at an enterprise that aims directly at social good. He is known for his frequent, ineffectual reminders to the rest of the team about recycling and turning off the lights in the office, demonstrating that good design is better than nagging for shaping behavior. Another Luum rower, he spends the rest of his free time disproving the notion that male rowers can't produce male offspring. He should not be confused with similarly-named Kallay Jonathan, who looks very similar to him on Facebook.

Luum - Michelle Rosenthal Director of Product

Michelle Rosenthal

Director of Product

When she's not out on the tennis court crushing her opponents, Michelle is leading user experience design at Luum. Michelle was born and raised a few towns over from Matt in the great state of New Jersey. She studied Digital Media Design at the University of Pennsylvania, where she nurtured her love of computers and photography. Michelle is a passionate advocate for the Luum user, working to ensure that interaction with our site is intuitive, valuable, and fun. She's not ashamed to admit to her other ardent passion for pop culture, an encyclopedic knowledge of which comes in handy at weekly pub trivia nights.

Luum - Raghavendra Raichur Developer

Raghavendra Raichur

Developer

After multiple failed attempts to remember how to spell his own rather lengthy first name, Raghavendra prefers to go by his somewhat simpler last name, Raichur. Raichur was born and raised in Bangalore, India. After receiving his college degree, he worked there for a few years before moving to Seattle. Raichur loves the opportunity to work towards building a product that has a direct impact on society. When he is not fervently typing code, he can be found enjoying a game or two of pool. Oh and he's also passionate about cricket—the sport, not the insect.

Luum - Mike Gottlieb Developer

Mike Gottlieb

Developer

Mike is a full-stack developer who especially loves working on anything involving mobile apps or crunching data. He is also from New Jersey, although unlike Michelle and Matt he is from the Southern (i.e. superior) half of the state. He studied Computer Science and Engineering at The University of Pennsylvania. Though he has lived in Seattle for many years he remains loyal to his Philadelphia Eagles. When not at work you will likely find Mike holding a guitar, a golf club, or a plane ticket to somewhere far away.

Luum - Todd S. Merkens Customer Success Manager

Todd S. Merkens

Customer Success Manager

Todd got his first pair of skis (three-pin Tracks) at age 4, and after accumulating more skis than can be counted, he now enjoys sharing the love of snow with his daughters. Todd is also passionate about smart transportation. One summer break, he stepped into the central train station in Hamburg, Germany and was transfixed by how easily everybody was able to get around. Efficiently connecting people with where they need to go is his life's work. With experience in both the private and public sectors, Todd has over a decade of work developing innovative transportation solutions. And did we mention that Todd likes snow?

Luum - Naomi Pattis Director of Customer Success

Naomi Pattis

Director of Customer Success

Naomi joins the team as our Customer Success Manager and has a genuine British accent. She grew up in a land where no household has more than one car and access to good public transit is considered a constitutional right. After three years working with tech startups in Silicon Valley, Naomi is passionate about setting Luum up for success as our operations begin to scale. Naomi learned to row before she could walk and has competed on both sides of the Atlantic.

Luum - Carlos D'Avis Developer

Carlos d'Avis

Developer

Carlos is a reformed Frisbee player, aspiring rock climber, and avid urban cyclist. Growing up near Boston made him love public transit, while college in California tricked him into buying a car. Carlos escaped from LA to Seattle, where he's been building technology in health care, sustainability, education, and more. He relishes the opportunity at Luum to empower enterprises with tools for better business and social benefit. On the weekend, you'll find Carlos at a farmers market or off in the mountains with his wife and their dog.

Luum - Sung Park Senior Product Manager

Sung Park

Senior Product Manager

Sung is a local Seattleite, having moved here when he was 7 years of age. In that time he's seen Seattle change and grow, bringing new companies, people, and ideas enhancing an already amazing city. In that time he's also experienced how the growth of a city impacts everyone's daily commute, may that be to and from work, or to run simple errands. At his previous role as Senior Product Manager at Adobe's Fremont office, his commute of 3 miles took over 40 minutes—one way. Sung is very excited to be working with Luum's talented team to help solve a growing commute problem, improving the lives of employers, employees, and the community.

Luum - Brendan Walsh Senior Product Manager

Brendan Walsh

Senior Product Manager

An avid mountain biker and aspiring surfer, Brendan hails from Lexington, MA, and yes, he is a charter member of Red Sox Nation. He made his way to Seattle with an eye on the mountains and a love for outdoor recreation back in the summer of 1994. Through his career he has worn many hats—system admin, software developer and program manager—which have all informed his perspective on product management. At Luum he is a champion for the customer and on the front lines for integrations of the Luum product suite. Nights and weekends, he spends his time with his kids and his trusty dog, Blue.

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