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Leyden Group Founded in 2003, The Leyden Group is a Colorado-based professional recruiting and executive search firm. We have been named a "Top Staffing Agency" by the Denver Business Journal annually since 2014. The Leyden Group is the best source for Sales and Scientific talent and jobs around the Nation. Contact us today to learn more about how we can simplify and expedite your search process.

Specializing in Sales and Executive staffing for Software, IT, and other areas of technology.
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Terry Leyden founded The Leyden Group in 2003 after gaining more than twenty years of experience with another Colorado based recruiting firm. He is responsible for the company's operations in all of our market specialties, and personally manages the toxicology and regulatory affairs practice. Prior to Terry's business experience, he obtained a degree in Environmental Biology from Colorado College and subsequently worked in the environmental sciences.When away from the business, he is a collegiate football referee, presently on the staff of the PAC-12 Conference, and formerly played and officiated collegiate lacrosse.
Since 1981, Leyden Group associates have worked with a broad range of companies seeking professionals with experience in toxicology, product safety assessment, toxicologic pathology and risk assessment. As the nation's most active search firm in these disciplines, we have filled over 500 search assignments with pharmaceutical, chemical, consumer product, consulting and contract research laboratory clients. Our toxicology and related work spans early career to executive level recruitment and is global in scope.
The Leyden Group specializes in software sales recruiting, and is the best source for top 20% sales, leadership, and pre-sales talent in Denver and Nationwide. We help clone your top performers, which is the only way to make a major impact on revenue and quota attainment. Founded in 2003, The Leyden Group is a Colorado-based professional recruiting and executive search firm.
For over thirty years, Terry Leyden has managed a practice which exclusively focuses on toxicology, product safety, product stewardship and chemical/material/consumer regulatory affairs and product registration. His experience is extensive with pharmaceutical, biotechnology, chemical, agro-chemical, consumer/personal care products, food, contract research laboratories and consulting companies.
Reviews (7)
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Dylan Winbourn
Mar 20, 2021
Drew is one of the best technology recruiters in Denver, if not the entire country. He's worked with just about every exciting company in the Front Range, and always provides top notch opportunities. I trust his insight and expertise to place the right candidates in the right roles.
Nate Todd
Sep 04, 2018
I had a great experience with Drew and ultimately got an offer in a sales role at a highly credible and competitive software company. Drew reached out to me via linkedin and took the time and effort to get an understanding on what exactly I am looking for in a career. Within a few hours I was presented with three open positions and started the application process. Drew was there as a resource for the entire interview process, providing advice and recommendations on how to best demonstrate my skills and experience.

He prepared me for the interview the way you would prepare for an open-ended question on an exam rather than just a multiple choice or true or false. It was clear the entire time that his goal was to use my strengths to make an impression rather than just saying the right thing. My recommendation to anyone looking for a new job in their industry, reach out to The Leyden Group and don't be afraid to show you excitement and curiosity about what they present you.
Tom Horne
Jun 07, 2018
I was referred to the Leyden Group by a friend that they placed in the Tech Space here in Denver. I'm usually pretty pessimistic about recruiters as they often care about just hitting their numbers and it isn't really about the candidate in my opinion. These guys were different, they brought a ton of knowledge about the local players in the industry and really cared about pairing my experience with them to find the right fit.

I felt connected to the process and they always brought a lot of great information on the position. Many of the other firms or recruiters I've worked with act like they are just getting me an interview with no prep, insight or real discovery if it's a fit. Feel strongly when working with this team, Drew was my guy and I'll work with him in the future should I need a strategic career move.
Mike Wong
Apr 06, 2018
If you wish to be placed in a role quickly and one that suits you perfectly, look no more! I worked with Kyle Klipp back in 2014 and he was friendly and honest from the start. He also took his time to explain to me the recruiting and placement process. Furthermore, He went into detail into what I was looking for in a job and what positions he had available.

I did not have great experiences working with recruiters before Kyle so everything came as a surprise! He was great with communication, both email and by phone. I was kept up-to-date with everything and was given useful advice every step of the way. I met Kyle in Sep 2014 and a little over a month later I was placed with a great company and started working with an awesome group of people. Kyle could not have been more on point with his description of the role. To this day we still keep in touch. I highly recommend Kyle Klipp and The Leyden Group as your professional recruiter.
Dan Peterson
Mar 10, 2018
My business has worked with Terry and Drew of The Leyden Group for over 4 years. Excellent business to work with and I have recommended them many times to both candidates and companies.
Brad Doner
Nov 19, 2017
I have worked with Drew at a past company when he was a manager and he was very professional and hard working. He understands the industry that he is recruiting for as he as been in the shoes of both the Sales Person and the Manager. As a result of this he knows what to look for in companies he works with and can ask the right questions about the environment so that he finds the right fit for both the company and the candidate.

I have also worked at a company that Drew was recruiting for and all the clients that he placed at our company were great fits. I highly recommend working with The Leyden Group from both the candidate and company perspective.
Technology Tim
Oct 24, 2017
Completely unprofessional. There are a lot of recruiters out there; don't bother with this one.