Our Team

The NET(net) team is composed of industry experts and seasoned professionals averaging 25 years of experience.

Our management team combines backgrounds from the client side, the supplier side, and functional perspectives from business, IT, finance, procurement, legal, and supplier and contract management. This gives our clients a 360-degree perspective of the agreements they have, the investments they make, and the relationships they manage and makes us extremely efficient at working with cross-functional teams to help clients minimize the costs and risks and maximize the realization of value and benefit in their technology supply chains.

Mr. Zolman is the 100% Equity owner of NET(net), and remains its Chairman of the Board.

As the Founder of NET(net), Inc., Mr. Zolman pioneered the concept of IT Investment Optimization Service after seeing vast commercial inequities firsthand during his detailed work and management experience in some of the world’s largest technology firms.


Throughout his career at NET(net), Mr. Zolman has been committed to providing a bespoke and exceptional client experience while maintaining a specific focus on shaping research and development efforts by collaborating with client executives and partners to offer a global service with a pervasive capability. As such, NET(net) has become the world’s leading category expert in IT Cost and Value Optimization Services. 

Mr. Zolman served as the company’s Chief Executive Officer from 2002-2012 and was responsible for the overall strategic direction of the company. During this time, the company returned 100,000% of shareholder equity and NET(net) was recognized as the industry leader, propelled by its partnerships and client acquisitions as well as its unparalleled results.


Mr. Zolman holds a Bachelor of Science degree in Computer Information Systems, a Master of Business Administration with an emphasis in Finance, and has received executive training in strategic deal-making, competitive decision-making, and global negotiations at Harvard Business School, an advanced and continuing education.

Kellsey Le has been President and Chief Executive Officer of NET (net) since 2013. She is responsible for aligning the entire organization with the goals and objectives of her Clients and integrating functional teams to deliver exceptional value and impactful results. She has worked in several areas during her more than 15 years of experience with NET (net) managing customer and partner relationships, leading the functional groups of Client Services and Professional Services and more recently, as President and Chief Operating Officer with global responsibilities for all field and business operations.

Mr. Welsh is the Chief Value Officer at NET(net).  He has been with NET(net) since 2007 and currently leads NET(net)’s global services team with innovation and solutions for Clients.  Mr. Welsh has led the NET(net) services team in delivering incremental value of over $150 billion.

Mr. Welsh has a Bachelor of Science in Finance with an International Business concentration.  Mr. Welsh’s accumulated his expertise by serving Clients for more than 23 years, including providing innovative IT and business solutions while at firms like Accenture and Diamond Technology Partners.

As Chief Financial Officer, Sue directs NET(net)’s back office functions and supply chain including Finance, HR, IT, Legal, and Administration on a global scale.

Sue’s previous experience includes 28 years with Huntington Bank.  She has a varied banking and financial services background including management, accounting, audit and lending.  She has a passion for excellence and has been instrumental in driving forward projects involving business process redesign and standardization.  Sue enjoys and places a high priority on developing productive business relationships.

Sue holds a Bachelor of Business Administration Degree in General Business, as well as an Associate in Applied Sciences Degree in Computer Information Systems.

She devotes some of her free time to visiting patients and families at Helen DeVos Children’s Hospital with her registered therapy dog, a golden retriever named Flynn.

Dexter Siglin is Chief Operating Officer.  In this role, he directs teams in developing strategies, technologies, programs, and services to both improve operational efficiencies and deliver long term client value from it’s Find, Get, and Keep Value services.

Dexter has been working in the technology field for 18 years, starting his career at MCI Telecommunications (now Verizon Business), where he gained experience holding several leadership positions over the ensuing nine years, ending his tenure as the New England States Service Manager, Corporate Accounts.   As Vice President of CIO Magazine’s, CIO Executive Council, Dexter led the Sales and Marketing teams that realized a doubling of revenues in four years and the successful launch of several new products and services.  Following CIO, as part of the executive leadership team with then start up xPeerient, Dexter was instrumental in growing and managing the company’s client experience while simultaneously developing the underlying processes to manage them.  xPeerient was eventually acquired by NET(net).  Most recently at alfabet AG, Dexter led the North America sales team and its integration and acquisition by Software AG.

Before entering the professional world, Dexter spent several years living and going to school in Australia and Hong Kong, and has traveled extensively in Asia Pac. He received his B.S. in Management from Elmira College, and completed an International Management internship with McDonald’s Corporation, Asia Pacific.  Dexter lives in the metro Boston, Massachusetts area with his wife and three children.

Tjeerd Edelman is the EVP of Global Services at NET(net). In this position Tjeerd oversees the Global Services division of NET(net) with a focus on Financial Services. Tjeerd will be responsible for The Global Services Team, NET(net)’s Specialization in the Financial Services Industry, driving Managed Services Programs deployed at our largest and most strategic clients, and leading our Global Expansion ambitions. Tjeerd is known in the industry as a thought leader in the management of technology including strategic sourcing, and supplier management, and has extensive experience with sophisticated business transactions such as mergers, acquisitions, and divestitures.

As General Manager Americas, Bob manages and oversees both the NET(net) Client Services and Value Teams.  His responsibilities include successful delivery of NET(net) services to clients, managing the new client acquisition team, and delivery of the Find / Get / Keep value process through project execution. Bob is spearheading the deployment of the WIN(win)(TM) technology-enabled business process throughout the NET(net) client base in order to integrate best practices for long-term value harvesting and strategic supplier management.  He also supports building relationships with business development and channel partners, as well as global strategic alliances with synergy partners.

Prior to joining NET(Net), Bob was the General Manager at a San Francisco–based Private Equity Fund. He has also worked for almost 25 years with several of the largest enterprise software suppliers, including SAP, PeopleSoft, in various strategy, sales and service delivery roles.  He started his career at American Management Systems (AMS) a large systems integrator managing large implementation project and product support.

Bob is located in California, holds a master’s degree from Carnegie-Mellon University in Pittsburgh, and a bachelor’s degree in Business and Political Science from Heidelberg University.