Coaches Bios
Jen Bertsch is a Business Performance Coach for the Greenstone Group providing individual coaching to Greenstone Group entrepreneurs and facilitating Growth Groups.
Jens business coaching with the Greenstone Group focuses on entrepreneurs who are continually developing their business and personal skills. Entrepreneurs benefit from powerful, thought-provoking questions, relentless accountability, support with implementing systems and strengthening their brands.
In June 2009, Jen graduated from Coach U, the worlds largest coach training school, where she continues to pursue a coaching certification from the International Coaching Federation (ICF).
Jen founded Moxy Coaching in 2007 and operates her own coaching service for individuals. She served as a director for five years at the Duluth Area Chamber of Commerce, where she established the Duluth Young Professionals (now, Fuse Duluth) and Speed Networking. She initiated many of the re-branding projects and led sales efforts producing record-setting member retention rates. Previously she served as training manager for the website development firm 50 Below, where she built and implemented a coaching program for regional sales managers. Jen has ten years experience in retail sales management and training with Rainforest Café, Gymboree and Dayton Hudson Department Stores (Macys).
Jen was recognized as one of the Duluth News Tribunes 20 Under 40 in 2008 for her community leadership with Fuse Duluth. She has served on several boards in a leadership role over the last fifteen years.
Jen is married and the mother of two, she enjoys yoga, playing tennis, art and people.
Charles Agbor is a Business Performance Coach and an interactive consultant for the Greenstone Group. Charles focuses on working with CEO’s of growing businesses using a development planning process in alignment with the businesses strategic plan. He works through a discovery process in his coaching, using questions, asset mapping and charting to determine strategic priorities and process improvement recommendations. Charles brings an expertise in reaching rapid growth using a high tech business model, foraging international strategic alliances, and implementing management systems to support increased productivity and profitability.
Prior to joining Greenstone Group, Charles operated and continues his own business, CAMUSA Corporation, which facilitates business development and commerce between the U.S. and his native Cameroon and other Third World countries.
Charles worked in private industries of manufacturing, engineering, product development and market penetration for more than 20 years. Most recently he served as re-organizational COO for family-owned RIE Coatings in Eden Valley, MN.
Charles’s multi-faceted technical and managerial experience supports his role as a skilled business performance coach. As a team-building executive, his business background includes strategic planning, budgeting, business process design, call flow analysis, work flow management, supply chain management, customer service and marketing. He holds several patents.
Charles holds a Masters degree in Microbiology and Biochemistry from Virginia State University. He is a past board member of the College of Science at St. Cloud State University, and has served on the board of the American Production and Inventory Society.
Charles lives in St Cloud with his wife and two children. He has been a long-time youth soccer coach, a passion developed in his home country of Cameroon.
Joe Sertich is a Business Performance Coach for Greenstone Group working with seasoned executives to refine their management style, build internal systems and develop stronger management teams. He brings a strong understanding of the leaders role in change management, what it takes to develop and streamline systems and structures within an organization and what it takes to run your own company.
Joe has been President/CEO of Longyear Incorporated of Chisholm since its inception in 1983. Sertich Consulting is a wholly owned division of Longyear. Joes professional career included being the founding President of the Northeast Minnesota Higher Education District where he served from 1999 to 2008. The district consists of rural community colleges across northeast Minnesota with a combined enrollment of over 8,000 learners, and approximately 500 employees. Under President Sertich’s leadership the five college District has developed a unique governance structure to preserve local autonomy, yet achieved economies of scale, and non-duplication of service and program effort.
Joes consulting company includes acting as a facilitator for the Regional Economic Development (RED) Group sponsored by the McKnight and Blandin Foundations. He manages meetings and summarizes actions that lead to action agendas. He also facilitated a Leadership Council of the Applied Learning Institute consisting of sixteen superintendents and five provosts. Their planning resulted in implementing a K-14 regional model of collaboration for the state of Minnesota. Joe has a B.S. in Education and a Masters in Educational Administration from Bemidji State University. He is also a graduate of Life Coaching from Falling Awake and a Certified Life Coach.
Joe has been committed to economic growth through community development that leads to wealth creation and prosperity. He has received the David A. Martin Entrepreneurial Leadership Labo Award which recognizes an individual who has a history of leadership in the economic development network of northeast Minnesota.
He lives with his wife Nancy in Chisholm and has two grown children.

