Mark Abbott ‘96

Chief Legal Officer and Compliance Architect, Atomic Data

Mark Abbott is Chief Legal Officer and also Compliance Architect at Atomic Data, a Minneapolis-based enterprise cloud and managed services provider with operations around the world.  Mark started his first technology company with two friends and a fistful of credit cards in 1995.  Since then, Mark has been an adviser and leader in multiple technology services and consulting companies, taking a few years off in the early 2000s to complete a JD and an MBA from the University of Minnesota.  Mark enjoys working with small and early stage companies, creative problem-solving, and quirky music.

Mutaz Alnaas ’17

Macathon Champion and Transfer Pricing Economist, EY

Mutaz Alnaas, an international student from Libya recently graduated with the class of 2017.  While at Mac, Mutaz studied Economics and Data science, and played a lot of soccer. He’s participated in Macathon for the past three years-basically, and each year his team placed in the top three. Mutaz says, “Macathon is one of my favorite events. It is always exciting to see what the teams come up with, and this year I am privileged to be a judge of the event.”

Steve Arnold ’72   

Co-Founder and Partner Emeritus, Polaris Partners

Steve Arnold is a co-founder and partner emeritus at Polaris Partners, a venture capital and growth equity firm investing in cloud infrastructure, data sciences, internet products and services, healthcare technology and life sciences, among other domains. Using a “VC portfolio” model, he currently donates his time to work with a group of non-profit organizations focusing on innovations in learning sciences applied to K-12 education. He is chairman of the board at the George Lucas Educational Foundation, which is conducting research on best practices and telling the stories of “what works” in education. He is also chairman of the board of Enlearn, which is developing a personalized adaptive learning technology platform, and Healthy Minds Innovations, which is designing and building products and services based on the discoveries at the Center of Healthy Minds, and affective neuroscience lab at the University of Wisconsin. He is also chair of the Advisory Council for Angela Duckworth’s Character Lab. This is his fifth Macathon.

Paul Cantrell ’98

Visiting Instructor, Macalester College; Independent Software Consultant; Developer & Designer, Bust Out Solutions; Composer/Pianist; Founder & Artistic Director, The New Ruckus

After graduating from Macalester in computer science and math, Paul Cantrell has created software for clients ranging from tech startups to Fortune 500s to arts nonprofits. He now regularly returns to Macalester, like a swallow to Capistrano, to teach computer science and run the Dev Garden ( He leads a secret double life as a composer, pianist, and music entrepreneur.

Chris Cloutier ‘88

Director of Sustainability, CoreCentric Solutions

Chris Cloutier’s career has focused on turning environmental challenge into economic opportunity. Chris has worked for state government, been a partner in two different consulting firms and currently serves as Sustainability Director for CoreCentric Solutions. Chris set-up and ran Best Buy’s first electronics recycling program; lead and managed the US DOE’s Dollars for Dishwashers stimulus program; has provided C-level guidance and support to retail and manufacturing organizations; and, has grown nascent programs into internationally recognized ventures. Chris has significant experience in developing public-private partnerships, turning ideas into income and mentoring and growing his staff.

Martha Danly ‘76

Principal, Martha Danly Consulting

Martha Danly is a strategy consultant working with technology startups in the San Francisco Bay Area.  As a leader in product, marketing, and operations, she has developed teams pioneering a wide range of new products and platforms, including B2B marketplaces, online auctions, video streaming, speech recognition, and mobile apps. She has worked with dozens of startups and has two IPOs under her belt as VP of Marketing at Onsale and Ventro, plus a successful exit as Chief Operating Officer of World Energy. With a passion for UX design and agile development, she thrives on building leadership and entrepreneurial teams. Danly graduated with a BA in Linguistics from Macalester and a PhD in Experimental Psychology from Harvard University. She loved mentoring and judging her first Macathon this past February and can’t wait to return in November.

Beth Desnick ’82

President, Thebe & Co

After graduating from Macalester, Beth Desnick worked in government and the arts as a strategist and manager. Seeing a niche for a progressive approach to business, Beth formed her creative agency, Thebe & Co, with Thea Nelson, ’83. Now known as Evology, Beth is currently president and strategic lead at the agency, which based in the Uptown area of Minneapolis.

Seth Levine ’94

Partner and Co-Founder, Foundry Group

Seth Levine is a partner  partner and co-founder at Boulder based Foundry Group focusing on making early-stage technology investments, participating in select growth rounds, and identifying and supporting the next generation of venture fund managers. Foundry investments include companies such as Zynga, Admeld and Fitbit. In addition to his work at Foundry, Seth is active around the world in the entrepreneurial community and was a founding board member of The Unreasonable Institute, an advisor to Palestinian focused venture fund Sadara, as well as an advisor to a number of other venture funds. Seth is a founding member of the Colorado Chapter of the Entrepreneur’s Foundation, co-founder of Pledge 1% and Colorado Entrepreneurial By Nature. Seth is a summa cum laude graduate of Macalester College. You can find him on Twitter at @sether or online at

Heather Mickman ‘98

VP Data Externalization Services, Optum

Throughout her 20+ year career in technology, Heather Mickman has built APIs to unlock enterprise data, created awesome platforms, led Ops organizations, and built supply chain software for Fortune 50 companies.  Heather has a passion for technology, building high performing teams, driving a culture of innovation, and having fun along the way.

Dan Rippy ‘89

Vice President Business Development, Lantheus Medical Imaging

 Dan Rippy has been in the life sciences for the past 25 years in general management, business development, and financial roles. Early in his career, Dan worked in business development and financial roles with companies such as Johnson & Johnson and Bristol Myers Squibb. Dan has served as CEO of two companies, Allegro Diagnostics (acquired by Veracyte), and Macrocyclics (acquired by ArevaMed). Dan has significant experience in business, financial, and strategic planning; business transactions (M&A, licensing); and general management in life sciences. He has raised venture capital, secured NIH and SBIR grants, and done deals with an aggregate value of over $1 billion. Dan has a B.A. in Political Science and Spanish from Macalester College, an M.B.A. from Columbia Business School, and an M.S. in health science from the Harvard-MIT Division of Health Science & Technology (a joint institution of Harvard and MIT). He is also the author of the book, Sizing Up a Start-up (Perseus Publishing: 2000). Dan resides with his wife, Laura, and their family outside Boston, Massachusetts.

Laura Rippy (Spouse ’89)

Managing Partner, Green D Ventures

Laura Rippy is the Managing Partner of Green D Ventures, a venture capital firm that invests funds from Dartmouth alums into Dartmouth-led technology startups.  Previously, Laura was a CEO, Chairman, Board Member, Advisor, and executive in high technology companies.  She has helped teams raise money, create business plans, launch or re-launch, choose new strategy directions, partner strategically, hire executive teams, and get acquired. She is active with Boston and Cambridge incubators such as MassChallenge. Her experience spans consumer to enterprise, mobile to marketing tools, SaaS to eCommerce.  Laura Rippy holds an MBA from Harvard Business School and a BA in government from Dartmouth College.

David Sielaff ’90

Founder, Critical Hit Technologies

In founding Critical Hit Technologies, David Sielaff has returned to his start-up roots, developing new software products and consulting for others in the entrepreneurial world. Prior to that, he held a variety of software engineering leadership positions at companies like Sybase, Intrinsa (a startup acquired by Microsoft) and Microsoft. He is also an active investor and advisor in early-stage technology startups, especially those operating in the social impact space.

Lee Wallace ’95

CEO, Peace Coffee

Lee Wallace is the Queen Bean of Peace Coffee, a company on a mission to craft a delicious coffee experience with communities around the globe. Based in the heart of Minneapolis, the company has been proudly roasting, pedaling and brewing outstanding fair trade and organic coffee since 1996. Peace Coffee has garnered recognition in a variety of areas – from being named one of the 10 Most Sustainable Coffee Businesses in the U.S. by Civil Eats to being named Best Coffee Roaster by Minnesota Monthly to being named one of the top places to work by Minnesota Business Magazine. Named one of Minneapolis’ 40 Under 40 in 2012, Lee has been at the helm of Peace Coffee since 2006. In her spare time, Lee enjoys reading, gardening and collecting pets.