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Board Members

Stephanie Weichsel  Honor Board Chair and VP Honor, GBA

Stephanie Weichsel serves as the 2013-2014 VP of Honor for the Graduate Business Association, a position that also includes serving as the Honor Board Chair. Stephanie served as the Honor Board Representative for Cluster D'14 in 2012-2013. Prior to matriculating at CBS, she attended the United States Naval Academy and subsequently served for five years in the United States Marine Corps where she completed tours of Afghanistan, Kuwait, Jordan, Japan, the Philippines, South Korea and Thailand. Stephanie would like to work in investment banking after her MBA. In her spare time, she enjoys running marathons, skiing, hiking and traveling.


Sam Sherraden  VP Honor, Peer Advisor Program Executive Board
Sam Sherraden serves as the 2013-2014 VP of Honor for the Peer Advisor Program Executive Board. Prior to attending Columbia, Sam researched economic policy at the New America Foundation, a centrist think tank. While most people detest macroeconomics and politics, Sam finds these subjects very interesting and hopes to one day work on these issues for a future president. He earned his BA in International Relations from George Washington University. In his free time, Sam enjoys running on the Westside Highway, taking photos, and cooking.


Joshua Heacock  Cluster A'14
Josh Heacock is the Honor Board Representative for Cluster A’14. Prior to attending Columbia, Josh served 5 years as a commissioned officer in the US Air Force. During his career, Josh was assigned with the 509th Bomb Wing as an aircraft maintenance flight commander and later served as Director of Operations for the 46th Test Squadron, Detachment 1. Josh earned a BS in Systems Engineering Management with Academic Distinction from the United States Air Force Academy.


Audry Iriberri  Cluster B'14
Audrey Iriberri is the Honor Board Representative for Cluster B'14. She graduated from the United States Military Academy in 2005 with a BS in Aeronautical Mechanical Engineering and a commission as an officer in the US Army. She worked as a logistician and deployed in support of Operation Iraqi Freedom, serving over 13 months in Iraq. In 2009, she joined US Army Special Operations as a civil affairs officer. She deployed to the Philippines where she worked alongside the US Embassy Country Team in Manila. A native New Yorker, Audrey left active duty to attend Columbia Business School and return to her hometown. 


Emily Rosine Washkowitz  Cluster C'14
Emily R. Washkowitz is the Honor Board Representative for Cluster C’14. Prior to enrolling at CBS, Emily attended Harvard College and received a BA in History of Art and Architecture with a focus on Modern and Contemporary Art. Following graduation, Emily helped start a fashion media company, StyleCaster Media Group, which owns and operates three properties: StyleCaster, Beauty High and The Vivant. While at StyleCaster, Emily had many roles but most recently served as Director of Client Services and Operations.


Tyler Bolender  Cluster D'14
Tyler serves as the Honor Board Representative for Cluster D’14. Prior to matriculating at Columbia, Tyler worked in India for five years as an investment associate with a venture capital firm. He conducted financial modeling and analysis and helped guide the growth of microfinance investees. After graduating, Tyler would like to transition from venture capital to investment banking. He has a BA in Political Science from California State University, San Luis Obispo.


Akshaya Singh Katihar  Cluster E'14
Akshaya serves as the Honor Board Representative for Cluster E’14. Prior to matriculating at Columbia, Akshaya spent over four years with Schlumberger, managing its operations on offshore rigs on the east coast of India and helping his clients find and quantify petroleum. He spent the summer before CBSl at an online fashion retail startup as a Summer Associate, helping top management of the company to expand and standardize their operations. After his MBA, Askshaya would like to continue down his exploratory road and work with one of the major consulting firms over an array of industries. Akshaya enjoys playing musical instruments like guitar and djembe in his free time. He received his B.Tech. in Aerospace Engineering from the Indian Institute of Technology, Kanpur.


James David Ajello  Cluster F'14
James Ajello is the Honor Board Representative for Cluster F’14. Prior to attending Columbia, James worked for Wells Fargo Securities in the Leveraged Finance and Real Estate Capital Markets groups.  At Wells Fargo Securities, James focused on the origination, structuring and underwriting of senior loan and high yield bond transactions for public and private companies across multiple industries.  James received his BA summa cum laude from Vanderbilt University where he majored in Economics and served on the Vanderbilt University Undergraduate Honor Council.


John Levin  Cluster G'14
John Levin is the Honor Board Representative for Cluster G'14. Prior to attending Columbia, he was a vice president at Public Resources Advisory Group, where he advised U.S. cities, states and counties on their municipal bond transactions. John also co-chaired the Business Consulting Committee of the Accion Microfinance Council. In this capacity, John led teams of volunteers to provide consulting services for Accion’s domestic microlending strategies. He graduated from Yale with a BA in Economics.


Robert Scott Caldwell  Cluster H'14
Rob Caldwell serves as the Honor Representative for Cluster H'14. Prior to Columbia, Rob was a captain in the United States Marine Corps, most recently serving as Company Commander for 3rd Combat Engineer Battalion, 1st Marine Division, Twentynine Palms, California. During his career he was deployed in support Operation Iraqi Freedom and Operation Enduring Freedom Afghanistan. Rob graduated from the United States Naval Academy with a BS in Economics in 2007. While at the Academy, he was Co-Captain of the Varsity Football Team and a Third-Team All-American. Rob enjoys all things Navy football and outdoor adventures.


Richard Cleary  Cluster X'14
Rich serves as the Honor Board Representative for Cluster X‘14. Prior to attending Columbia, Rich worked in consulting at Stern Stewart and EVA Dimensions. At the two firms, Rich worked to apply the Economic Value Added (EVA) framework in the fields of value-based strategy, planning, and corporate financial advisory working with firms in a broad array of industries and countries. Rich earned a BS in Commerce from the University of Virginia in 2008.


Lai Shiou-Ling  Cluster Y'14
Lai serves as the Honor Board Representative for Cluster Y'14. She holds a BS in Money and Banking from National Chengchi University. Prior to Columbia Business School, Lai was a vice president within a real estate and construction company.


Silvia Padilla  Cluster Z'14
Silvia serves as the Honor Board Representative for Cluster Z'14. She was born in Colombia, and spent a significant portion of her professional life in Miami where she worked in a Latin-American regional role. Silvia is a passionate leader, with a broad sense of ethics and values which she considers the milestones of personal and professional development.


Matthew Blake EMBA Americas 2014S
Matthew Blake is part of the inaugural EMBA Americas Class and the Honor Board Representative for Cluster S'14. Matthew is presently a shareholder with global consulting firm HSNO, leads the global technology practice for the firm, and serves as Chief Compliance Officer. He is an information technology specialist with extensive experience in delivering litigation technology solutions. Matthew has concentrated primarily in litigation consulting with an emphasis on electronic discovery, data analytics, and computer forensics. He has built and sold several technology companies and is a serial entrepreneur within the technology sector solving complex business problems. Matthew is a Board Member of the International Law Discovery & Disclosure Group ("ILDD") and the Juvenile Diabetes Research Foundation ("JDRF").


Pat Stahl EMBA 2015E
Pat serves as the Honor Board Representative for EMBA Cluster E’15. He is an engineering Leader at HBO in New York, where he supervises a team responsible for supporting a large post production facility. Prior to joining the HBO team in September, Pat spent 6.5 years at NBC. At NBC, he worked in various roles starting as a Project Manager and spending the final 2 years there as the Manager of Studio Engineering with a team of 16 engineers.


Michael Height EMBA 2015M
Michael serves as the Honor Board Representative for EMBA Cluster M’15. He is an Arts Management professional with ten years of experience in managing theatrical productions. For the past seven years, Michael has been at Disney Theatrical Group, managing productions of "The Lion King" and "Mary Poppins" on Broadway and on tour around North America. Recently he began overseeing these same productions internationally.


Lee Grzesh EMBA 2015B
Lee serves as the Honor Board Representative for EMBA Cluster B’15. He currently works at Credit Suisse in Private Equity, and is a CPA licensed in the State of New York. Previously, Lee has had experience in Audit at PriceWaterhouseCoopers, as well as experience in Corporate Finance at LexisNexis.


Ben Morris EMBA 2015A
Ben serves as the Honor Board Representative for EMBA Cluster A’15. He currently works as a Vice President in the Utilities & Energy Infrastructure Group of Macquarie Infrastructure and Real Assets Inc. in New York. In this role, Ben manages existing private equity investments and works to source new investment opportunities in the North American utilities sector. Previously, Ben worked as an Associate in the Oil & Gas Investment Banking Group of Macquarie Capital (USA) Inc. in New York. He holds BA degrees from Middlebury College and Columbia University, an MA degree from Middlebury College, and a Master of Finance degree from INSEAD.

The Honor Code of Columbia Business School

As a lifelong member of the Columbia Business School community, I adhere to the principles of truth, integrity and respect. I will not lie, cheat, steal, or tolerate those who do.

The Columbia Business School Honor Code calls on all members of the School community to adhere to and uphold the notions of truth, integrity, and respect both during their time in school, and throughout their careers as productive, moral, and caring participants in their companies and communities around the world.


• Honor Code, Academic Conduct and Other Policies

• Penalty Guidelines for Breaches of Academic Integrity and Conduct

• Individual and Group Work Guidelines Table CBS Disciplinary Procedures

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Alumni Voices

"Lose money for my firm, and I will be understanding; lose a shred of reputation for the firm and I will be ruthless."
- Warren Buffet, MS '51


The Curl Ideas to wrap your mind around

Sowing Startup Success

Owen Davis ’08, managing partner of NYC Seed, doesn't believe people are born with a startup gene. "Anyone can launch," Davis says. "There’s a process that will minimize the silly mistakes new entrepreneurs make.”

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A Storyteller Goes Back to School

Amanda Kinsey ’12 has produced a film about Columbia University's storied past.

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Is Australia on the Wrong Track?

Australian Prime Minister Tony Abbott has defended many of his government’s reforms by invoking the American model of cutbacks on spending.

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Organic vs. Paid Advertising? Inside the Mind of An Online Browser

New research by Columbia Business School offers rare insights into what consumers are thinking when they land on the search engine results page

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Columbia Business School’s Incoming Class Beats the Heat and ALS by taking the Ice Bucket Challenge Together

Incoming Columbia Business School students joined thousands of people around the country in taking the ALS Ice Bucket Challenge and engaging in a friendly rivalry with other top business schools.

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Transforming Safety

Neurotect, the startup cofounded by Linda Chase-Jenkins ’93, is poised to transform the sports safety market — and save millions of lives.

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Disrupting the Benefits Business

Rosaline Chow Koo ’88, who will attend the School’s Pan-Asian Reunion in October, has launched Asia’s first employee-benefits big data startup.

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Borrowers Beware! When It Comes to Business Loans and Defaults, Not All State Laws Are Created Equal

Columbia Business School study finds that New York’s tough contract laws make it the most favorable state for lenders

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A Rigorous Approach — from the Beginning

Murray Low and Cliff Schorer talk about Columbia’s unique approach to entrepreneurship — and the skills that are most critical for entrepreneurs today.

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