About_Top-IMG
Margaret Anderson Kelliher
President and CEO

Margaret Anderson Kelliher joined the Minnesota High Tech Association in 2010 as president and CEO following a twelve-year legislative career. She served two terms as Speaker of the Minnesota House of Representatives.

Margaret is a lifelong Minnesotan with deep roots in the Minnesota River Valley. The youngest of six children, she grew up with four older brothers and a sister on a dairy farm near Mankato.

Her life in public service began early when, as a 4th grader, she led a petition drive to preserve a bus route to her neighborhood school. She went on to serve as 4-H State President and was also a Dairy Princess. She graduated from Gustavus Adolphus College in Saint Peter and later was a Bush Foundation Leadership Fellow, earning a Masters of Public Administration degree from Harvard University’s Kennedy School of Government.

In addition to leading MHTA, Margaret is chair of the Governor’s Task Force on Broadband and was recently appointed to the Board of Trustees of the Minnesota State Colleges and Universities. She teaches a class on negotiations at the University of Minnesota’s Humphrey Institute. Margaret, her husband David and their two children live in Minneapolis.

Andrew Wittenborg
Director of Outreach
952-230-4557

Andrew Wittenborg handles member relations for MHTA and works to connect companies and organizations with the resources they need to grow Minnesota’s innovation and technology economy. Andrew joined MHTA from the Minnesota legislature where he served as a director of public affairs for the House of Representatives. He spent more than 20 years as a broadcast journalist and, during that time, was executive producer of special projects at both KSTP and WCCO television.

Lonni Ranallo
Business Manager
952-230-4556

Lonni Ranallo manages administrative and accounting activities for MHTA. She has worked with the association for more than five years. Lonni enjoys biking and is active in the local arts community.

Kathy Marsh
Director of Marketing & Communications
952-230-4554

Kathy Marsh is responsible for MHTA’s marketing and communication efforts, as well as the liason to many of the organization’s partners. Kathy has been with the association for over six years – serving as the director of programs and events for the majority of that time. She is a graduate of the University of Wisconsin with a degree in communications arts.

Tim Barrett
Director of STEM Education & Workforce Development
952-230-4551

Tim Barrett manages MHTA’s STEM programing and workforce development activities with overall responsibilities for the getSTEM web portal, as well as scholarships and mentorship program. Tim has extensive experience developing and managing educational programs with a focus on science, technology, engineering and math. He also works closely with the MHTA Foundation on STEM workforce initiatives. He is a graduate of the University of St. Thomas and received his Masters of Arts degree from North Dakota State University.

Erika MacCallum
Programs and Events Assistant
952-230-4553

Erika MacCallum has extensive experience as an event coordinator and public policy assistant. She also is the staff liason to MHTA’s ACE Leadership Program and Women Leading in Technology. Erika worked as an Election Assistant for Ramsey County and is completing her Masters degree at the University of Minnesota, Duluth.

Becky Siekmeier
SciTechsperience Internship Coordinator
952-230-4241

Becky Siekmeier is MHTA’s SciTechsperience Internship Program Coordinator. SciTechsperience is Minnesota’s paid internship program for college students pursuing science, technology, engineering and math degrees. Becky is an experienced team builder and project planner in both corporate and nonprofit settings. She recently received her Masters of Public Affairs degree from the University of Minnesota’s Humphrey School of Public Affairs.

Angela McLaughlin
Manager of Programs & Events
952-230-4552

Angela joined MHTA in January 2013 to organize flagship events like Spring Conference and the Tekne Awards, in addition to other professional development, networking and advocacy events for MHTA. Angela joins MHTA from the Minnesota International Center where she spent the last nine years managing corporate relations and fundraising events. Prior to entering the nonprofit sector, Angela worked in higher education administration. She is a graduate of the University of Minnesota-Morris and holds a Master’s Degree in educational administration from the University of Wisconsin-La Crosse.

Jon Tollefson
Manager of Community Relations & Entrepreneurship
952-230-4535

Jon joined MHTA in February 2013, where he works with entrepreneurs and startups to help build Minnesota’s innovation and technology economy. Additionally, he supports workforce development initiatives focused on reducing Minnesota’s IT skills gap. Prior to MHTA, Jon served as a Foreign Service Officer for the State Department in Nigeria and Mexico, as well as in the Africa Bureau at State Department headquarters in Washington. He received his bachelors and masters degrees in International Affairs, focusing on International Economic Affairs, from George Washington University.