Leadership Team

The Business Program is overseen by Edward Bayone, Hagit WeihsGrace Zimmerman and Detlev Suderow, industry leaders who bring their varied business backgrounds and extensive real-world knowledge to the classroom.

Karen Muise serves as the Assistant Director of the Business Program, bringing years of experience working in higher education to this position.

Edward BayoneEdward Bayone

Earle W. Kazis Professor of the Practice of Finance and International Real Estate; Director of IBS Curriculum; Chair of the Business Program (undergraduate)

Professor Bayone worked for 23 years at BankBoston and its successor firm, FleetBoston Financial, in various senior capacities including Executive Vice President and Chief Credit Officer, responsible for overseeing U.S. and international lending. 

Ed currently serves on the board of Brightwood Capital Advisors which manages several funds that provide credit, particularly senior debt, to small and medium sized businesses.

From 2010-13, Ed served on the Board of Directors of SuperMedia Inc., one of the largest yellow pages directory publishers in the US, until its merger with Dex One to form Dex Media. He chaired the board's Nominating & Corporate Governance Committee and served on the Audit Committee. 

From 2006-09, he served on the Board, chaired the Risk Committee, and sat on the Audit Committee of Churchill Financial, a commercial middle market finance and asset management company. He then served as Advisor to the CEO and Board until the company was sold in May 2010 to Olympus Partners. 

For 11 years beginning in 2002, Ed served on the Budget & Administration Committee of the Combined Jewish Philanthropies of Greater Boston, and on its Board of Directors from 2009-12. He currently serves on the Board of Directors of Congregation Kadimah-Toras Moshe.

Ed received his BA in history from Queens College and masters degrees from the University of Rochester and Columbia University. 

At IBS, the graduate students have voted him "Teacher of the Year" four times.

Ed serves as chair of the undergraduate Business Program and chair of the IBS Curriculum Committee.


Hagit WeihsHagit Weihs

Adjunct Professor
Undergraduate Advising Head

Hagit Weihs has been teaching Accounting and Finance for the last ten years, and has over 20 years of experience in the accounting and finance discipline. She has taught at Bentley College, Simmons College, Boston University and Tel-Aviv University. Prior to focusing on teaching, Hagit has filled a number of controller and CFO positions mainly in the insurance industry. Prior to that, she has worked as an auditor for Price Waterhouse Israel, where she is a certified public accountant. Hagit holds a Ph.D. in Financial Accounting and an MBA in Finance from Tel-Aviv University.


Grace ZimmermanGrace Zimmerman

Senior Lecturer
Undergraduate Head of Programming

Grace Zimmerman has more than 30 years of practice in sales and marketing and has established herself as an experienced entrepreneur and marketing professional. Her work consists of redesigning marketing and sales strategies for failing and struggling products and businesses for multifold sales and profit improvements. She has conducted industrial and consumer market research; trained teams of professionals; and managed a variety of marketing communications firms including direct mail, public relations and 800-number customer-support centers.

Prior to her position at the International Business School, Zimmerman established herself as a business planning and strategic marketing consultant, where she helped founders of start-up ventures refine their strategic visions and specific marketing strategies. Her entrepreneurial spirit was originally displayed in 1990 when she became the co-founder of The Long Term Care Group. She eventually became senior vice president of marketing after the success of her work resulted in the sale of the company to United HealthCare, Inc.  Zimmerman's marketing career began with nearly 20 years in the high-technology sector in a variety of marketing and sales leadership positions, mostly in start-up ventures.

Zimmerman has given back to the community in valuable ways. She is currently the co-chairman of the board of the David Project, a nonprofit organization dedicated to inspiring voices for Israel. She has been the chairman of the board and trustee of Harvard's Judge Baker Children's Center, an institute conducting innovative research and training, and providing mental health services to troubled children and families. She is also a past member of Harvard Business School's Community Action Partners, where she provided pro bono support to local nonprofits: More Than Words in Waltham, Mass., and the Kenneth B. Schwartz Center in Boston.

Zimmerman holds an M.B.A. from Harvard University and a B.A. from the Ohio State University. At Brandeis, she is the undergraduate business program advisory head, the IBS Marketing Club adviser and has advised several winning case competition teams.

She was voted Teacher of the Year by IBS students in 2007 and 2012.


Detlev SuderowDetlev Suderow

Senior Lecturer
Undergraduate Advising Head for Study Abroad

Detlev Suderow is the retired senior vice president of human resources and organization effectiveness for FLIR Systems, Inc. FLIR is an infrared technology company with global operations listed twice as one of Business Week's 100 fastest growing companies. Prior to joining FLIR Systems, he served as vice president of human resources for Inframetrics, a fast growth, start up technology company.

Suderow is also the managing partner in ROA Partners, a global executive coaching and consulting practice, and continues to consult with corporate executives.

His career in high technology includes his role as the human resource manager for CLARiiON, a highly successful entrepreneurial business division of Data General Corporation, and a 13-year career at Digital Equipment Corporation as H.R. manager, organizational development manager, and training and development manager.

In addition, he has provided consulting services and executive coaching to small entrepreneurial companies and Fortune 100 companies with global operations. Prior to his career in the private sector, Suderow was a teacher, college coach and practicing psychologist.

Suderow is also the career adviser for the undergraduate business program, counsels graduate students at the International Business School and serves on numerous Brandeis committees and boards.

He holds a B.A. from Brandeis, an M.A. from Tufts University, and did advanced graduate work in psychology at the University of Zurich, Switzerland.


Karen Muisemuise

Assistant Director
Business Program and MSF Program

Karen Muise is the Senior Program Administrator for the Business Program as well as the MSF program at the International Business School. She has worked at IBS since August 2003. Prior to working at Brandeis, Karen was an Administrator at the Boston College Legal Assistance Bureau, a community legal services office funded by Boston College Law School.

She has lived in Waltham all her life and is the former President and current treasurer of the Waltham Woman's Club, an organization that responds to the emerging needs of the community as well as improves it through volunteer service.

In 2008, Karen was awarded the IBS Prize for Distinguished Service, a special accolade given each year to an exceptional staff member.