Matt Hulsizer

As Co-Founder & Chief Executive Officer of PEAK6 Investments, L.P., Matt serves as one of two managing members of PEAK6 LLC. From 1994 until he co-founded PEAK6 in 1997, Matt was a director and risk manager for Swiss Bank, a global financial-services corporation that merged with Union Bank of Switzerland to become UBS AG. From 1991-1993, he worked as a senior trader with O’Connor & Associates, a proprietary derivatives trading firm that was acquired by Swiss Bank and subsequently integrated into Swiss Bank Capital Markets.

Matt graduated from Amherst College and has served as a board member of New Jersey’s Peddie School and Chicago’s Steppenwolf Theatre Company.


Jenny Just

As Co-Founder & Chief Administrative Officer of PEAK6 Investments, L.P., Jenny serves as one of two managing members of PEAK6 LLC. From 1990-1992, Jenny worked in the trading department of O’Connor & Associates, and on the floor of the CBOE. From 1992-1997, Jenny worked for Swiss Bank Corporation, the successor to O’Connor & Associates, as a market risk analyst in global risk control and as a senior equity derivatives marketer.

Jenny received a Bachelor of Business Administration from the University of Michigan and holds the Chartered Financial Analyst designation.


Brad Goldberg

In his role as the President of PEAK6, Brad partners with leaders who oversee trading, technology, retail brokerage, finance and human resources to strategically manage PEAK6’s growth.  Brad joined PEAK6 in December 2008 after spending 11 years at Microsoft, where he most recently served as the General Manager for the Bing search product, where he was responsible for product management, consumer marketing, distribution, and revenue management.

Brad graduated with a Bachelor’s degree in Economics from Amherst College and completed post graduate work in Japan, at the Inter-University Center for Japanese language studies. Brad then went on to earn an MBA from Harvard Business School, where he was awarded second year honors.

Dan Perper

In his role as the Managing Director, PEAK6 Capital Management, Dan is the leader responsible for all proprietary trading operations. Dan joined the firm in 1999 as a trader and, prior to joining PEAK6, he served as an Associate Director of trading for Swiss Bank Corporation.

Dan received a Bachelor of Science in Computer Science from the College of Engineering at the University of Illinois.

Daniel Rosenthal

Prior to his role as Chief Executive Officer of Apex Clearing Corporation, Danny was a leader at PEAK6 Investments, L.P., where he spent thirteen years building proprietary trading platforms, risk management, and back office functions from the ground up. He served in many different roles across the PEAK6 including Chief Technology Officer, as well as the founder and Co-Chief Executive Officer of OptionsHouse. Danny has deep functional expertise with business transformations, with a particular emphasis in leveraging technology to materially streamline businesses and consistently deliver highly efficient solutions.

Danny received a Bachelor of Arts in Mathematics from Hamilton College.


George Ruhana

In his role as Chief Executive Officer of PEAK6 Capital Management, George is the leader overseeing the growth of our proprietary trading business. Prior to his current role at PEAK6 Capital Management, George was the Chief Executive Officer of OptionsHouse, a consumer retail brokerage that was sold to General Atlantic, a global growth investor, in August 2014. George joined PEAK6 in 1999 as a senior trader and, prior to joining PEAK6, he was a Vice President of exchange trading for NationsBank CRT, where he focused on interest-rate options.  George also spent three years at Swiss Bank Corporation trading interest-rate options.

George received a Bachelor of Business Administration from the University of Michigan and earned an MBA from the University of Chicago.


David Budworth

In his role as the Chief Architect for PEAK6, David is the leader in charge of technical design across the firm. David joined PEAK6 in 2005 and brings a wealth of experience in the design and development of fast, reliable, and business-focused systems from multiple industries including Finance, Automotive, and Defense.  Prior to joining PEAK6, David served as the primary architect and core development manager for online mortgage lender E-LOAN, and played a key role in building out the company’s technology department.

Jay Coppoletta

In his role as Chief Corporate Development & Legal Officer of PEAK6, Jay manages the legal function across all PEAK6 businesses and works with the firm’s Co-Founders and President on strategic growth projects and firm investments.  Jay joined PEAK6 in February of 2010 after spending over six years at Sidley Austin LLP, where he was a member of Sidley’s Chicago Corporate Group.

Jay received a Bachelor of Arts in Political Science Summa Cum Laude from Loyola University Chicago and a Juris Doctor Magna Cum Laude from the University of Michigan where he was also a member of the Michigan Law Review and Order of the Coif.

Sue Hendrick

In her role as Managing Director of Finance, Sue is the leader in charge of all Finance & Accounting functions for the firm. Sue joined PEAK6 in October of 1998 and has held a variety of roles at PEAK6 during her tenure, primarily in the shared business management group. Prior to joining PEAK6, Sue was a Vice President at the Northern Trust Company in the Northern Trust Global Investments group.

Sue received a Bachelor’s degree in Business Administration from University of Michigan.

Lisa McLafferty

In her role as Chief Marketing Officer, Lisa is responsible for all marketing, advertising, and public relations efforts across the firm. Lisa joined PEAK6 in October 2009 after spending two years at Microsoft as the General Manager for MSN & Bing marketing. In her role as GM, she was responsible for the design, launch and marketing rollout of the Bing search brand, as well as all MSN US marketing efforts. Prior to Microsoft, Lisa spent two years as the Vice President of Marketing & Sales for, and four years at Orbitz as a Managing Director, where she was a key member of the pre-IPO launch team.

Lisa graduated with a Bachelor’s degree in Marketing from Fairleigh Dickinson University and earned an MBA from the Kellogg School of Management at Northwestern University.

Sarah Schwab

In her role as Chief People Officer, Sarah focuses on developing people strategies that impact the business. Sarah joined PEAK6 in 2009 after spending 4 years at Q Interactive, a Chicago-based online marketing firm, as the HR Director. In her role as HR Director Sarah created programs and policies that attracted top talent. Prior to Q Interactive, Sarah spent 7 years as a Strategy and Change Management Consultant for PricewaterhouseCoopers and IBM, where she consulted on strategy, change management and merger integration.

Sarah received a Bachelor’s degree in Political Science from University of Michigan.