TBI Leadership

Geoff Shepstone founded TBI in 1991 and continues to actively lead the company. TBI earned its position as a top Technology Services Distributor through Geoff’s commitment to finding the best solutions available to meet evolving customer needs.

His experience in telecommunications began at MCI before moving into management with Alternative Channel Divisions of LCI International (acquired by Qwest). Recognizing the need for partners to connect with cutting-edge solutions from trusted suppliers led to the creation of TBI. Under his vision and leadership, the company remains at the forefront of the technology industry and continues to aggressively grow its extensive network of partners and highly vetted suppliers.

Pete Shah joined TBI in 2013 with over 20 years of finance experience and 15 years in the telecom industry. In his role, Shah leads the Finance, Commissions, HR, IT, and Sales Support departments.

Prior to TBI, Pete served as CFO of Access Media 3, where he oversaw all accounting, corporate finance, and treasury functions.

Mike Onystok is responsible for TBI’s corporate strategy and operations. He leads the Technology Services Distributor’s operational plan for development and growth, ensuring superior work quality and level of service. His focus is on continuous business process improvement, developing innovative partner and supplier programs, and building relationships across the indirect channel.

Onystok’s tenure with the technology services distributor started in 2008 as a Supervisor of Inside Sales and has since held roles such as Director of National Telesales, Director of National Channel Sales and VP of Training, Marketing and Inside Sales. Onystok notably helped design and evolve TBI’s OmniCenter program (a multi-channel contact center that performs both outbound and inbound supplier and partner campaigning) while at the organization, serving as a great asset to TBI and their partners today.

Scott Whalen is a servant leader that challenges team members to strive for excellence, while enriching TBI’s culture via experiences that are all the best and nothing else. He has 25+ years of experience in sales, strategy and leadership within the technology sector. Whalen started at TBI in 2019 after spending most of the prior decade working solely with TBI, during his 16-year tenure at Qwest (now Lumen). He has led several departments of the company and currently oversees TBI’s Supplier & Partner Experience, Business Strategy and Marketing departments.

Brandon Smith started at TBI in 2021 and currently serves as the Senior Vice President of Global Sales. In this role, Smith oversees all sales strategy and partner growth initiatives for TBI’s global market, covering North America and EMEA.

Before joining TBI, Smith was the Vice President of the Southwest Region for PAETEC, Director of Channel-Texas for XO Communications and Senior Vice President of National Sales at Intelisys.

Adam Knudsen started at TBI in 2012 and currently serves as the Senior Vice President of Sales Operations. In this role, Knudsen has developed a team of 80+ employees with a focus on customer satisfaction, retention and growth. His responsibilities include leading operational strategy and providing overall management by identifying and implementing processes and procedures to improve efficiencies. Other roles that Knudsen has held while at the organization includes Partner Experience Manager, Manager of Sales Operations, Director of National Channel Sales, Director of Emerging Technologies, Senior Director of Operations, and Vice President of Sales Operations.

Knudsen holds a Bachelor of Business Administration and Management from Bellevue University.

Keith Connolly started at TBI in 2018, bringing over 30 years of telecommunications sales and sales leadership experience - 25 of which were spent in the indirect channel. Serving as the organization’s Regional Vice President of Channel Sales, East Region, Connolly spearheads the East Coast’s sales efforts, providing strategic direction, vision and development of partner growth initiatives.

Before joining TBI, Connolly spent 15 years with PAETEC & Windstream Communications, serving as a Channel Manager from 2002-2007 and Vice President of Channel Sales from 2008 – 2017. Under his leadership, the organization's East region exceeded year-over-year sales goals for nine consecutive years. While at the organization, Connolly was an eight-time Vice President President’s Club recipient, five-time Vice President of the Year honoree, three-time Channel Manager President’s Club recipient, Channel Manager of the Year honoree, and the only two-time “Runi” Award winner in PAETEC history.

Mark Harris started at TBI in 2021 after spending over 25 years in the technology industry. As TBI’s Regional Vice President of Channel Sales, West Region, Harris is responsible for igniting and elevating Channel partnerships and success in the western part of the US.

Prior to joining the organization, Harris held a variety of leadership roles with technology companies such as Teligent, Qwest, Cogent Communications and XO Communications. In his most recent role at TPx Communications, Harris served as their Senior Director of Channel Sales, leading both regional and national sales growth for managed services, UCaaS and network-based solutions.

A graduate of the University of Alabama, Harris enjoys spending time with his wife and two sons, as well as coaching youth sports.

Matt (Turk) Turczyniak started at TBI in 2008 and currently serves as the Regional Vice President of OmniCenter and Channel Sales Enablement. Overseeing all OmniCenter and teaming sales efforts, his team is responsible for all outbound, inbound, referral, and base management campaigns. Turk’s primary goal is driving net-new revenue through various new-customer acquisition activities, while also helping to “protect the base” through highly effective customer retention programs. As one of the longest-tenured employees at TBI, Turk also focuses on business development in his role, helping to bring unique revenue-generating ideas to life.

Turk has utilized his 20+ years of sales and leadership experience to transform the OmniCenter into a well-oiled machine that fuels the growth of the rest of TBI. Known for his candid demeanor and methodical focuses on processes and procedures, he contributes his success to being highly organized and always expecting the best from his team of leaders. As a major proponent of “inspect what you expect”, he holds his team to the highest of standards and expects them to hold him accountable as well. Putting a major focus on professional development, Turk prides himself on coaching and enabling others to be the best versions of themselves in a fun, yet hyper-competitive environment.

Bill Vander Vennet started at TBI in 2016 and currently serves as the Regional Vice President of Strategic Partner Programs. In this capacity, Vander Vennet is responsible for driving sales through TBI’s Partner Referral Program, call center partners, strategic verticals, mobility/IoT solutions and Inside Business Development Managers.

Prior to joining TBI, Vander Vennet worked at various startups and telecom suppliers, developing both online and offline customer acquisition programs in the Channel.

Jim Wolande started at TBI in 2021 and currently serves as the Vice President of Corporate Resellers and VARs. In this role, he leads the organization’s VAR strategy, developing explosive growth on next gen offerings around cloud, data centers, security, Internet of Things (IoT), 5G and edge. His focus is on delivering scalable programs for VARs and MSPs, leveraging TBI’s robust resources aligned with the supplier’s technical expertise all-around driving strategic partnerships.

Prior to joining TBI, Wolande served as Verizon’s National Partner Manager for TBI and most recently, 8x8’s National Channel Director. In these roles, he worked closely with TBI, being quite instrumental in significant deals with the organization and other strategic selling partners. Before joining the telecom industry, Wolande was Partner/Head of Operations for production company, HD Ready LLC, that owned and operated the rights to “Soundstage” for PBS television music episodic series. A musician himself, he filmed artists such as Bon Jovi, Dave Mathews, Fleetwood, Mac, Tom Petty and many more – building a lifetime of memories and stories in the music industry.

Anne Mitchell started at TBI in 2021 and currently serves as the Vice President of Marketing. In this role, she focuses on strengthening the TBI brand, increasing pipeline and market share, and optimizing marketing programs and processes for a superior partner and supplier experience.

Mitchell previously served as Vice President of Vendor Solutions at Tech Data. During her time with the organization, she successfully built go-to-market strategies for the technology distributor and its leading technology suppliers. Prior to that role, she served as Tech Data’s Vice President of Vendor Marketing, having extensive experience in supplier business and marketing. Mitchell has been recognized in CRN’s Women of the Channel 2020 and holds a Six Sigma Black Belt Certification from Villanova University.

Samantha Zuniga started at TBI in 2022 after spending two decades in leadership roles at competing technology distributors and service providers. As Vice President of Partner and Supplier Experience, Zuniga is responsible for supporting TBI’s partner and supplier programs, ensuring individuals connecting with the organization are receiving the best experience possible.

Prior to joining TBI, Zuniga spent over 18 years at technology services distributor, Intelisys, holding a variety of roles including Sr. Manager of Partner Support & Order Management, Director of Support Services, and Sr. Director of Supplier Services. Zuniga’s responsibilities included building, strengthening and maintaining their supplier services program, running the partner operations for pre and post-sales, and also leading their internal operations team of 60+ people. After leaving Intelisys, Zuniga joined Fusion Connect’s team as their Vice President of Channel Operations & Programs, which then led to her role at TBI.

Joel Hoffman started at TBI in 2014 and currently serves as the Senior Director of Information Technology and Facilities. Within this role, Hoffman is responsible for TBI’s infrastructure and SaaS systems, in addition to managing the team’s helpdesk program. This program supports TBI’s internal employees and partner community for services including NetSuite and TBI’s OnDemand application.

Hoffman's experience in the telecom industry has roots with equipment manufacturers and service providers for some of the industry’s largest players, helping develop solutions to support their customers.

Jackie Landuyt started at TBI in 2013 and currently serves as the Senior Director of Finance. Providing customer support and ensuring accurate monthly commission pay to TBI’s partner community, Landuyt works hard to continuously develop new process and programs to hold TBI’s suppliers accountable. This is done through proactive audits and disputes. In addition, Landuyt also assists the organization with internal reporting as it relates to audits and profitability analysis.

Landuyt holds a BS in Finance from Indiana University.

David (Dave) Landsberger started at TBI in 2014 and currently serves as the Senior Director of Training and Development. Starting at the organization as a Sales Trainer, Landsberger has completely built TBI’s training program from the ground up. This includes creating a variety of training materials for all parts of business, spearheading the creation of TBI’s agnostic, self-paced training platform University of TBI, and building a team of training experts to help onboard new partners to the organization. Landsberger continues to grow TBI’s training efforts in his current role, in addition to also working hands-on with partners and their sales teams in an effort to educate them on solutions, suppliers and basic channel know-how.

Bryan Reynolds began his tenure at TBI in 2014 and currently serves as the Senior Director of Sales Operations. In this role, Reynolds leads an organization of 80+ individuals who provide TBI’s partner and customer community with unparalleled support, ranging from quoting and solution design to implementation advocacy and project management. He plays a pivotal role in the company by ensuring the efficiency and effectiveness of TBI’s sales initiatives and leads cross-functional teams to contribute to this.

As a former music and band teacher, Reynolds uses his unique background to cultivate, optimize, and scale his team by implementing automation systems, applying best-in-class people development practices, and spearheading impactful cultural initiatives. In addition to his formal duties at TBI, Reynolds serves as the leader and co-founder of their employee DE&I resource group, RESONATE, and their leadership development program.

Reynolds is often featured in the Channel speaking on the customer and employee experience, and has been recognized for his many outstanding cultural ingenuity and leadership by multiple third-party organizations. He is certified as a Project Management Professional (PMP) and Certified Six Sigma Black Belt (CSSBB), among having many other gold-standard, globally recognized certifications.

David Cullum started at TBI in 2011 and currently serves as the Director of Artificial and Business Intelligence. Leading the organization’s BI team, Cullum is responsible for TBI’s systems, infrastructure, and employee support as part of business process automation. He attributes his success at TBI to identifying great talent, system design and utilizing data to make better business decisions.

Cullum started at TBI working as a National Account Executive, then progressing to backend systems, having taken on roles such as Sales Analyst, Data Analyst and Business Intelligence Manager. Cullum’s background in sales and market research made him successful in building supplier campaigns for TBI, including CenturyLink and Time Warner, where he took his own metrics and campaign tracking and was asked to roll out data tracking companywide. Cullum also played an instrumental role in selecting, integrating, implementing, and deploying TBI’s current CRM and ERP system.

Nikki Roiland started at TBI in 2018 and currently serves as the Director of Accounting. In this role, Roiland oversees both the Accounting and Payroll teams, providing the behind-the-scenes support for TBI employees from a financial standpoint. This includes corporate card management, federal/state/local tax compliance, corporate expenditures/treasury, events/MDF invoicing and reporting, and adhering to accounting principles.

Prior to serving as TBI’s Director of Accounting, Roiland served as the organization’s Senior Accountant, Accounting Manager, and Senior Accounting Manager.

Caitlin Baronti started at TBI in 2015 and currently serves as the Director of Human Resources. Some of Baronti’s responsibilities include leading the organization’s HR and Administration departments, overseeing compensation and benefits for employees, managing employee relations, and keeping up-to-date with any laws that may affect the organization or its employees.

Baronti started at TBI as Human Resources Coordinator and has since held roles such as Human Resources Generalist, Human Resources Manager – Benefits & Culture, and Senior Human Resources Manager. Baronti notably won Maverick of the year at the American Management Awards in 2021, in addition to leading the TBI HR team to bronze awards in 2019 and 2021 in the Human Resources Department of the Year category. Baronti holds two Bachelor of Science Degrees from Illinois State University in Human Resources and Organizational Leadership. Baronti received her Professional in Human Resources (PHR) certification in 2019 and is a member of the Society for Human Resources Management (SHRM).

Mitch Lenzi joined TBI in 2014, bringing several years of management and business administration experience. As Director of Business Strategy, Lenzi oversees strategic initiatives and business development across TBI, working closely with different departments on the execution of corporate strategy. His responsibilities include the management of various projects, oversight of key programs, and facilitation of corporate planning-related activities.

Prior to his role as Director of Business Strategy, Lenzi has held a variety of positions at the organization, including many years as one of TBI’s top-performing Business Development Managers in the Midwest.

Michelle Tamras started at TBI in 2021 and currently serves as the Director of Partner Experience. In this role, Tamras leads the growth of TBI’s partner relationships, driving fast-paced service implementations, along with creating an industry-leading experience for both partners and suppliers.

Tamras joined TBI with extensive experience in the Channel, notably spending 30 years working at AT&T. While there, Tamras held a variety of roles in sales, management and business development, which provided her with well-rounded insight of the industry.

Joe Fizor started at TBI in 2016 and currently serves as the Director of Solutions Engineering. In this role, Fizor leads TBI’s team of solution architects, engineers, and subject matter experts, further supporting the Channel partner community.

Starting at the organization as a Solutions Engineer, Fizor focused on providing agnostic technical support to TBI’s partner base, in addition to guiding the internal engineering and sales teams on emerging technology solutions. Throughout his time at TBI, Fizor has continually stood out as a high achiever and a leader, attaining President’s Club status in 2017, 2018, 2020 and 2021, in addition to winning Employee of the Year in 2020. Fizor previously spent many years working in the VAR space, focusing heavily on providing customer sales support for Cisco, Maraki, Palo Alto, Juniper, HPe and Aruba for Enterprise Network Infrastructure. Fizor has gained a variety of certifications over the years including Cisco – CCNA, CCDA and CMNA, Fortinet – NSE, Palo Alto – PSE, Veeam – VMSP and VMTSP, and RingCentral – RCCE, RCCP, RCSP and Ignite.

Boe Mellor started at TBI in 2018 and currently serves as the Director of Sales, East Region. In this role, Mellor leads a team of Business Development Managers, spanning from the Northeast to Florida, who are assisting TBI’s partners in defining, initiating and growing their businesses. He works with his team to bring new value to TBI’s selling partners, enhancing customers’ ease of commerce and improving business outcomes for the end-users through the technology and suppliers TBI offers.

Before joining TBI, Mellor spent over 16 years as a Channel Manager for Windstream/PAETEC, and started his career in telecom at AT&T. He has a long history of supporting partners and strategically helping them grow revenue. Mellor has been recognized multiple times as a President’s Club winner at TBI, Windstream, and AT&T. Boe lives in Pittsburgh and is an alumnus of Robert Morris University.

John Rozinsky joined TBI in 2020 with over 20 years of experience in the technology industry. As Director of Sales, Central Region, Rozinsky leads a team of Business Development Managers who service partners anywhere from Minnesota to Texas.

Before joining TBI, Rozinsky notably worked with Channel suppliers AT&T, Verizon, and Evolve IP. While at these organizations, Rozinsky successfully led and managed indirect and direct sales teams. He has expansive knowledge and expertise in a variety of technology solutions including UCaaS, CCaaS, IaaS, DRaaS, DaaS, cybersecurity, IoT, SaaS, and managed services. In addition, Rozinsky also holds professional certifications from Veeam, VMWare, Rapid Scale (TLS), and Zerto. Rozinsky is an active executive board member at TLV Charities, who has raised over $500,000 for Ronald McDonald House and New Moms Chicago.

David Ninow joined TBI in 2021, bringing over 20 years of telecom sales and management experience. As Director of Sales for TBI's Channel Sales Enablement team, Ninow focuses on driving new revenue and unique sales initiatives from end-users, suppliers, and partners. He also oversees and leads an experienced team of seasoned sales professionals, who provide agnostic advice to clients of all shapes and sizes.

Before joining TBI, Ninow worked at Lumen (formerly known as CenturyLink) as their Senior Sales Manager for Global and Premier Accounts. Within this role, he oversaw daily and bigger-picture functions for Lumen’s global sales team, who handled and managed their Fortune 1000 accounts.

Pete Miserendino started at TBI in 2015 in an entry-level sales role in the OmniCenter. Over the years, he has been promoted several times into key leadership roles, leading to his current role as Director of Sales, OmniCenter - Chicago. In this role, Miserendino manages the day-to-day sales operations of Chicago's OmniCenter leaders and sales teams. These individuals help drive new sales to TBI and manage customer churn through base management efforts. With an emphasis on next-gen solutions, Miserendino mentors and provides extensive sales and leadership coaching to his management team.

Before working at TBI, Miserendino worked for Chicago’s public schools coaching high school football and baseball for almost a decade.

Adam Levin started at TBI in 2018, bringing over 11 years of experience in the telecom and technology industry. As the Director of Sales, OmniCenter - Portland, Levin focuses on the day-to-day sales operations of the Portland office. In addition, Levin works closely with other TBI sales leaders to further grow sales practices through their community of partners. A mentor inside and outside the organization, Levin thrives in coaching and developing leaders and individual performers alike.

Before working at TBI, Levin dedicated almost 20 years to working in public service.