Still focused on your business

In 2020 Univar Environmental Sciences was acquired by AEA Investors, and we became Veseris — an independent company 100% committed to serving environmental science customers with greater agility and a stronger sense of purpose.

With 7,500+ products from 800 supplier partners, and 77 locations across North America, we maintain a significant reach as a specialty products distributor. And with industry-leading digital services like PestWeb, ProTraining, and Inventory Manager, we’re making it easy to do business with Veseris — and empowering managers to do more with their businesses every day.

Most importantly, our 400 employees and 40+ years of history have proven to generations of professionals that Veseris will never stop working to create positive impact for our customers.

Leading with experience

Our people know your industry, and are committed to helping you find success.

Ken Bradley


Ken Bradley spent 18 years with an organization called the RS Group, which has headquarters in the UK. Bradley spent 16 of these years with the Americas division of RS Group, which operates under the brand Allied Electronics & Automation based in Fort Worth, TX. His roles spanned operational and commercial disciplines, ultimately leading to him becoming President of the Americas in 2019, a role which saw him lead during a period of commercial and cultural transformation which lead to a historical performance acceleration.

He also spent two years working in the UK where he implemented successful strategies as Senior VP of Operational Excellence. Suffice to say, his tenure at RS Group speaks to the passion he has for the distribution industry and for driving exceptional results.

As CEO, Bradley will help advance the business to achieve new levels of growth and embody the culture of Veseris and its partners.

Karl Kisner

Vice President, Marketing & Supplier Relations

15 years with Veseris

Karl brings energy and experience to his role, both for Veseris as a whole, and our investment in new tools and processes. By connecting these systems, we can make business more efficient, and even more fun, for our customers.

Karl knows that even though our name has changed, our commitment is always to supporting customers with the products, training, and education they need — which is why he pushes to see Veseris continue to expand the tools it offers professionals.

Before his current role at Veseris, Karl headed marketing for the AG and ES divisions of Univar’s US and Canadian business, driving customer awareness while leading the direction for the company’s websites, advertising, and ecommerce. He also brings marketing experience from BASF to his portfolio.

Karl holds a BS in Agronomy from The Ohio State University. He was on the Board of Directors for the University’s Alumni Association for 5 years, and has attended every home Ohio State football game since 1993. When he’s not cheering the Buckeyes, he’s caring for his adopted greyhounds.

Rebekah Adams

Vice President of People

Rebekah is passionate about people and culture and brings over 20 years of experience focused on the growth and development of employees and company culture. Having worked mostly in the distribution and aerospace and defense industries at Anixter and Sierra Nevada Corporation, Rebekah is very familiar with working with leaders across many lines of business to build and manage a People organization that reflects their dynamic needs.

As Vice President of People at Veseris, Rebekah is focused on driving the vision of being the Preferred Choice of employees by developing and implementing strategies that drive business results, creating a positive work environment and experience and increasing levels of employee engagement.

Rebekah grew up and went to school in Reno, NV where she received her MBA and raised her family before relocating to the Texas area in 2015 to enjoy the warm weather, live music and amazing food.

Jenn Porter

Vice President of Operational Excellence

Jenn is a fierce sales and customer care champion with extreme passion for growth, operational effectiveness, process automation, collaborative leadership and results. As Vice President of Operational Excellence at Veseris, Jenn is a customer experience champion for the organization.

Tom Perry

Vice President of Supply Chain

Tom Perry is a Supply Chain Professional with 25 years of experience in transportation, warehousing, distribution, and fulfillment. Perry has spent significant portions of his career with Owens & Minor, a healthcare supply chain management company and leading distributor of medical/surgical supplies and Schneider National, one of the largest providers of surface transportation and logistics solutions in North America. Tom is an accomplished logistics executive leader with a track record of leading diverse teams and collaborating with global supply chain organizations.

Jason Rich


Chris Potts

Director of Operations and EHS

25 years with Veseris

Chris wants to take what we’ve learned as a company over the last several decades and leverage it to influence and improve the practices that worked best for the organization, while fining new ways to improve.

He sees the tremendous safety program of Veseris, as well as our industry-leading distribution network and product availability, as key areas of focus for improving both the customer and the supplier experience.

Chris has worked in multiple roles across industrial chemicals, from laboratory technician to operations lead, and branch quality management… all the way up to his current position as Director of Operations & Environmental, Health, and Safety for both the United States and Canada.

Outside of operations, Chris enjoys RV camping and boating with his family and friends on the weekends.

Nate Tamialis

Regional Director – USA (West)

11 years with Veseris

Nate believes it is key our company continues to build on its robust western American infrastructure, relying on our industry veterans to bring their experience to bear in the new light of an independent Veseris.

Having previously managed county-wide and PCT Top 25 pest control companies (including Antimite Termite and Pest Control and SOS Exterminating), he knows what it takes to drive business growth, manage large teams, and meet company goals. Nate spent time on the Arizona Pest Professionals Organization board of directors including a role as president and was a member of a the Advisory Committee to the Office of Pest Management in Arizona. Nate is also an Associate Certified Entomologist.

Originally from a pre-gentrified Washington, DC (no, not the suburbs), he fell in love with the “hidden gem” that is the pest control industry after becoming a technician in 1998.

Jim Delaney

Regional Director – USA (Central)

37 years with Veseris

As Regional Director, Jim is responsible for standing up business and, eventually, guiding Veseris through a new phase of expansion. Along the way, he is focused on developing the people who will lead this company into the future.

Having served as the Northeast District Manager during the organization’s time as Univar ES, as well as the Director of both the US Central Region and Canada, Jim has taken charge of business at an impressive scale. He has overseen all aspects of business, including sales, operations, and administration, for up to 18 states, and the entire country of Canada. He was also able to successfully bridge operations between our American and Canadian divisions during a time of large portfolio expansion.

Jim holds a BS in Landscape Management from Purdue University, and one of the establishing members of DADS — Dads Appreciating Down Syndrome. He is an avid landscaper, the father to three beautiful daughters — and the husband to one amazing wife.

Sean McDonough

Regional Director – USA (East)

Jon Froese

Director – Canada

15 years with Veseris

Jon’s aim is to coach people toward their goals — and help teams achieve more together. As director of Canadian operations, he puts the resources and direction in place to ensure Veseris makes a positive impact for customers, suppliers, and industries.

Having worked as a customer service representative, buyer/planner, outside sales representative, industry/sales manager, and marketing lead, Jon’s wide-ranging experience within a small division plays a crucial role in his current position.

Jon holds a BS in Agribusiness and Economics from the University of Manitoba. A former competitive hockey player, he enjoys spending his spare time coaching youth hockey in his home province of Manitoba.

Alejandra Pena

Director – Mexico

17 years with Veseris

Over her three decades in pest control, Alejandra has seen how the industry has changed — and how to best help businesses grow and adapt. That’s why she specializes in creating strategies for growing into alternative markets such as sanitization, agriculture, poultry, and ecommerce.

Prior to joining Veseris, Alejandra worked as a marketing coordinator and regional sales manager at Agrevo, as well as a general manager at Diconsa. During her time at Veseris, she held a wide variety of positions including supply chain coordinator, sales and marketing manager, and business unit manager before attaining her current role as Director of Mexico’s operations.

Alejandra holds a BA in Marketing and Communication and advanced management programs from private universities. In her free time, she enjoys spending time with her two daughters — her greatest pride and motivation — as well as her beloved dog.

TJ Shelby

Latin America & Specialty Business Manager

14 years with Veseris

TJ’s focus is helping our specialty group fearless explore new markets for growth, working with our sales team to identify and prioritize specialty sales opportunities. He and his group assist in the sales and service process, provide technical expertise, offer product and industry training, and raise the bar within every market they enter.

When he’s not enjoying time kayaking with his wife and four children, TJ can be found reading comic books or brewing his own beer.

Andrew Assir

Director of Marketing

11 years with Veseris

Andrew knows the unique impact Veseris has on the industry — and he’s ready to communicate it to new customers, supplier partners, and employees. By bringing the company’s culture and drive to the forefront, he helps drive continued success with meaningful branding and powerful answers to the question, “Why Veseris?”

Formerly a marketing manager at Sabre, where he handled software and hotel travel management content for travel agencies, Andrew brought his deep knowledge of effective distribution to Veseris, where he drives growth through both internal and external collaborations.

Andrew holds a BS in Business Administration from the University of Richmond and an MBA in Marketing from the Neeley School of Business at Texas Christian University. Having previously lived in Saudi Arabia, England, Germany, and Qatar, he currently resides with his spouse and two children in Austin, where he enjoys volunteering with Scouts BSA, golf and home brewing.

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