Meet the Team
Spence Huffstetler
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Spence has held sales, supply chain, and operations leadership roles in the electronics industry with multiple companies across the supply chain spectrum. He originally cut his teeth in purchasing at IBM, learned to manage materials as an analyst at Solectron, and dove into sales at franchised distributor Insight Electronics. Spence’s degree in Operations Management and extensive supply chain background provide a unique understanding of the challenges our customers face while being able to effectively integrate Spectrum Sourcing’s services.
Spence is an instrument certified pilot and enjoys time with family and friends, painting the live oaks and marsh of the South Carolina and Georgia low country, immersing in the next spy thriller, and working on perfecting his topspin backhand.
Paul Grassie
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Paul has held various roles within the independent electronics distribution space spanning almost two decades. During this time, he has reshaped various sales organizations’ strategies both domestic and international, helping to position for long-term growth and hedge against risk in a rapidly changing technology manufacturing space. Paul manages all customer and supplier facing functions at Spectrum including purchasing, sales and marketing. Away from the office, Paul enjoys traveling, trying to master low country golf courses, and spending time with family and friends.
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Vishal’s passion for technology can be traced back to building computers with his brother as a child. He pairs this interest in the industry with an innate ability to relate to people, which he uses as the basis for his role in Sales Operations with Spectrum Sourcing. When he’s not working with clients, he enjoys following Formula 1, running, and watching too much Netflix.
Vishal R.-Whaley
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David Hung joins Spectrum Sourcing as an International Trader. He brings experience in the semiconductor industry, where he built RPA workflows and streamlined sales and operations reporting to deliver clear, timely insights. He takes a data driven, customer first approach to deepening relationships with OEMs and franchised distributors. He holds a master degree in business management from National Tsing Hua University and speaks Mandarin, English, Japanese, and Vietnamese.
David Hung
Mabel Hsieh
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Born and raised in Kaohsiung, Taiwan. Mabel joined Spectrum Sourcing Taiwan full time in March 2022 as a International Trader. She has a masters degree in Public Administration from California State University Long Beach. Mabel enjoys traveling and learning. She has lived in Japan, Spain, the United States, and returned back to Taiwan three years ago. Mabel enjoys spending her spare time watching movies and hanging out with friends and family.
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Originally from the Boston area, Connor is a recent graduate of College of Charleston where he majored in Marketing Sales. Connor’s role at Spectrum is servicing our OEM customer base, helping to resolve component shortages and lower production costs. When not in the office he enjoys fishing, golfing, traveling and following the New England Patriots.
Connor Murphy
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Originally from the area, Beth has recently joined the Spectrum Sourcing team as an International Trader in Guadalajara, Mexico. Beth’s experience in strategic sourcing and supply chain will be instrumental in her ability to help manufacturers in the Mexico region solve supply chain issues. With a passion for problem solving and creating value, she’s dedicated to driving success in her role. Outside of work Beth is an avid traveler who enjoys hiking, yoga, and staying active when hanging out with her friends.
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Stefan is a born-and-raised Münchner with two decades in the European electronics world. Over the years, he has worked closely with major OEMs and helped build and lead regions for independent distributors, gaining a pretty deep feel for what makes the European market tick. He now lives in the Munich area with his wife and daughter, and whenever he has a moment, you’ll find him working on DIY projects — wood, paint, lighting, or whatever tech gadget just arrived. He will play a key role in driving and shaping the EMEA expansion.
Beth Montejano
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Jack is from Delaware and graduated from the University of South Carolina with a Major in Public Health and a minor in Business Administration. Outside of the office, Jack is a coach at F45 Training. When Jack is not working or coaching, Jack enjoys morning workouts, traveling to new places, cooking with his girlfriend, and hanging out with friends.
Jack Gruskiewicz
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Kristy was born and raised in Changhua, Taiwan. She holds a master’s degree in International Business from National Sun Yat-sen University. Prior to joining Spectrum Sourcing, Kristy worked as a project manager at a startup and an industrial research institute, gaining experience in project management and customer service. When not in the office, Kristy enjoys cooking, sports, language learning, and traveling with friends and family.
Kristy Chan
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Dennis is from the Philippines and is a permanent resident of Hong Kong, where he resides with his family. He graduated with a Diploma in Computer Technology and a Bachelor of Science in Electronics Communication Engineering, both while working as a student. Currently, he is pursuing a Master’s in Business Administration. Dennis has a total of 25 years of work experience, which includes 10 years in semiconductor manufacturing in the Philippines, 13 years as an independent distributor managing counterfeit detection and warehouse operations, and 2 years at a third-party testing laboratory for integrated circuits. In his leisure time, he enjoys singing karaoke and is an active member of the Christian Community Church in Hong Kong, where he leads the Husbands and Wives group. He is the proud father of four beautiful children and is happily married.
Dennis Sarinas
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As a recent graduate of College of Charleston with a major in communications and a minor in marketing, Andrew worked as a sales intern at Spectrum before joining the team in a full time OEM sales role. Andrew, originally from Richmond, VA; enjoys fishing, golfing and spending time with friends.
Andrew Bradt
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Lupita is originally from Jalisco, Mexico, and has a degree in International Business. With 16 years of experience in the electronic industry, Lupita has worked in purchasing, supply chain, and sales. Her previous roles at Sanmina and other manufacturers gives her an excellent perspective of the challenges our customers face each day. We look forward to having Lupita join our team as an International Trader. When Lupita is not in the office, she enjoys spending time with her family and friends and loves traveling to new places.
Lupita Rodriguez
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Shelly joined Spectrum Sourcing in April 2025. She holds a degree in Social Work from Texas Woman’s University and brings a diverse professional background that includes experience in marketing, accounting, and claims. Her varied skill set supports her strong adaptability and attention to detail.
In her free time, Shelly enjoys spending time with her family and making the most of the outdoors.
Shelly Reed
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Bryant attended Appalachian State University, where he found his love for technology and tinkering. This has helped him evolved into a role with Spectrum Sourcing, heading the testing environment and playing a large role in the operations and quality teams. On the weekends Bryant enjoys heading down to his favorite fishing spot or going for a nice hike with his pitbull, Daisy.
Bryant Everhart
Stefan Kober
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Charles was born and raised in the Raleigh area; he attended East Carolina University majoring in Business Management. Prior to joining the sales team, Charles worked as a multi-year intern gaining experience in many different areas of the company. When not in the office, you can find Charles fishing, playing the guitar, or golfing with friends.
Charles Dunn
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Sherry is originally from Taipei, Taiwan, she holds a bachelor’s degree in French and during studies also took courses in international trade. Having several years of experience in procurement and supply chain, mainly in purchasing and supplier coordination which gives her strong problem-solving and communication skills.
In her free time, Sherry enjoys watching baseball and traveling.
Sherry Huang
Andrew Messineo
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Andrew is a recent graduate of The University of Alabama with a major in Finance and a concentration in banking and financial services, Andrew is working as a sales support intern in the Charleston office. Originally from the suburbs of Chicago, Andrew enjoys being active, golfing, and being on the water.
Sharlene Shew
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Sharlene brings over 20 years of experience in electronic components sourcing with a strong focus on supplier management and global purchasing across Asia. She has worked extensively with independent distributors, building strong supplier networks and supporting cost optimization in a dynamic market. At Spectrum Sourcing, she leads APAC purchasing activities, focusing on expanding supplier partnerships and strengthening sourcing capabilities. Outside of work, she enjoys travelling and exploring new places.
Outside the Office
