CORESENTIAL TEAM
Joe Tumlin  President-Commercial
Joe Tumlin Joe Tumlin has been with Coresential since June 1, 1994. He has a degree in Finance as well as a Master of Business Administration from the University of South Florida. Joe began his career with Coresential as an outside salesman covering the West Florida territory. In 2000, Joe became a principal of the agency and serves as President of Commercial Sales. In 2009 Joe completed a three year certification program held at Arizona State University to achieve his Certified Professional Manufacturers Representative designation. Married since 1994, Joe and Susan have three children and currently reside in the Tampa area.

jtumlin@coresential.com
813-402-4023

James Yore  President-Industrial
James Yore Jamey Yore began his career with Coresential in 1995. He earned his Bachelor’s Degree in landscape architecture from The Ohio State University. His experiences include: achieving his Competent Toastmasters designation from the Toastmaster’s International in April 1999, completing the CPMR program in January 2000, sitting on the National Association of Electrical Distributors (NAED) YET Committee as the manufacturer’s rep liaison for the 2002-2004 term and again for the 2004-2006 term, and being nominated to sit on the National Electrical Manufacturer’s Representatives Association (NEMRA) Board of Directors for the 2004-2006 term and again for the 2008-2010 term. Jamey is one of the partners of Coresential and is President of the Industrial Division. Jamey’s vision statement is: Striving to earn the respect and trust of others while developing lasting relationships; being an apprentice in the industry in order to learn the skills and gain the knowledge that will insure the longevity of our agency.

jyore@coresential.com
407-256-4730

Robin Conway  President-Energy & Lighting Solutions
Robin Conway Robin Conway, professional sales executive with over thirty years in the electrical and lighting industry. Prior to joining Coresential in April 2009, Robin spent over twenty years working for Crescent Stonco, a Philips Luminaire division. While at Crescent Stonco Robin held various management positions in Sales, Marketing and Product Development. Energy Solutions is Robin's specialty. Many municipalities throughout the country have recruited Robin for her experience and expertise to design their lighting efficient solutions. Robin has a bachelor degree in both Business and Psychology from Farleigh Dickinson University. Married since 1987, Jeff and Robin have two children, Ryan and Patrick, both studying at The University of North Carolina. Robin enjoys traveling, cooking, photography, sailing and scuba diving.

rconway@coresential.com
919-602-0849

Luis Alvarez  
Luis Alvarez Area: Miami

Luis Alvarez has been with Coresential since 1997. Luis's territory includes Broward, Dade and Monroe Counties as well as the Caribbean Basin. Luis is fluent in Spanish and has lived in the South Florida area since the 1960's. He is very knowledgeable of the area, and has seen it evolve over the years to what is today - a dynamic, vibrant and cosmopolitan area. Luis holds a Bachelor of Business Administration Degree from Florida International University, is married and has one son. Luis enjoys sports, outdoor activities, and spending time with his family. Prior to joining Coresential Luis worked for People's Gas System for over nine years in various capacities.

lalvarez@coresential.com
305-962-3992

Chuck Baur  
Chuck Baur Area: Orlando

Chuck Baur grew up in Miami, served 4 years in the Navy, and worked for Graybar for eight years. Chuck moved to Orlando in 1972 and until 2000 owned a rep agency business. From 2000 to 2005, Chuck worked for another agency in Florida primarily calling on contractors, joining the EMS team, now Coresential, in 2006. Chuck calls on specific accounts in the Central Florida area.

cbaur@coresential.com
407-256-3509

Lucas Carpenter  
Lucas Carpenter Area: North Florida

Lucas joined Coresential's commercial outside sales team in July 2011 and is Coresential's contact covering the NE portion of Florida from Volusia to Nassau County. Earning his International Baccalaureate Diploma, Lucas went on to complete his Bachelors of Business Administration at the University of South Florida. Prior to joining Coresential, Lucas was in outside sales at Club Car covering Central and Northern Florida. Lucas is committed to the highest level of service and believes that integrity and respect is key when developing long-term and successful business relationships. Lucas enjoys all sports, the outdoors, and is dedicated to continual self improvement.

lcarpenter@coresential.com
813-695-3239

Billy Dorton  
Billy Dorton Area: Central FL

Billy Dorton joined GCA, now Coresential, in 2005 and has territorial responsibilities in Central Florida including Orlando, Kissimmee, Winter Haven and Melbourne. Billy graduated from Florida State University in 1996 with a Bachelor's Degree in Operations Management. He spent nine years learning the electrical distribution business while employed by Hughes Supply. Outside of Coresential, Billy enjoys playing golf and other sports, and spending time with his two children, Olivia and Nathan.

bdorton@coresential.com
321-960-6429

Jane Kirkland  
Jane Kirkland Area: Eastern North Carolina

Jane Kirkland joined Coresential’s Energy and Lighting Solutions team in January 2017 covering eastern North Carolina. Prior to Coresential, Jane had a 35 year career with GE Lighting. She has extensive experience in delivering energy saving lighting solutions in commercial and industrial markets. Jane graduated from the University of North Carolina in Chapel Hill with a Bachelor of Science in Business Administration. She resides in Raleigh, NC.

jkirkland@coresential.com
919-270-0173

Will Lesch  
Will Lesch Area: West/Central FL

Will Lesch has been with Coresential for 13 years. His territory includes Lakeland, Tampa, and all areas on the west coast south to Naples. Will represents Coresential's Electrical Division, as well as its Energy and Lighting Division where Will successfully converted all City of Tampa owned parking garages to energy saving ARRA compliant induction lighting. His resume also includes successful energy saving projects with Tampa International Airport and Hillsborough County Department of Corrections. Will, his wife Patricia, and stepson Michael live in New Tampa and are active in their church. Will and Patricia are also active in and support New Tampa Younglife, a nationwide ministry that promotes Christian values in high schools and middle schools.

wlesch@coresential.com
813-625-0528

Eleanor Marschke  
Eleanor Marschke Area: Ft. Lauderdale

Dr. Eleanor Marschke, professional sales executive, has been with Coresential since 2008. Prior to Coresential Eleanor was employed at Thomas & Betts Corporation with responsibility for the Broward, West Palm Beach and Martin County Territory. Eleanor spent twenty-three years of her professional career with Thomas & Betts and in 2008 she completed her doctorate degree in Human Resource Management from the Wayne H. Huzigena Business School at Nova Southeastern University. Eleanor continues to publish articles on Sales Management and Spirituality in the Workplace and is currently working on a Specialization Degree on her Doctorate in Sales Management. Coresential has been an anchor in her career and she has gained knowledge of new market concepts by contributing to numerous manufactures sales numbers. Eleanor enjoys all sports, her family and her church Family Christian Center where she assists with outreach programs in the community involving women and children.

emarschke@coresential.com
954-818-2289

Matt Morrison  
Matt Morrison Area: Western North Carolina

Matt Morrison, a Sales Engineer, joined Coresential’s Energy and Lighting Solutions outside sales team in June 2017 covering western North Carolina. Matt has more than 4 years of proven success managing energy and sustainability initiatives for diverse clients. Matt is LEED certified (LEED GA) and is pursuing CEM(Certified Energy Manager) accreditation. Matt is a graduate of UNC Charlotte and lives in Charlotte, NC.

mmorrison@coresential.com
919-624-3735

Paul Tynan  
Paul Tynan Area: SW Florida

Paul Tynan, Professional Sales Executive, has been with Coresential since 2002. Coresential has provided a conduit for continued growth and experience marketing both electrical and lighting products. Prior to Coresential, Paul was employed with Wier Enterprises, a leading cargo control manufacturer in the transportation industry. As Sales Manager, Paul spent nine years building their brand through direct and distribution sales in the Southeast. Specializing in marketing, Paul attended the University of South Florida and was a scholarship member of the Bulls golf team from 1988 to 1992. Afterwards, Paul spent two years as a caddie on the PGA Tour. He continues to share his passion for golf as Chairman and Co-Founder of the MS Cure Classic, a charity golf tournament raising money for research into the cause and hopefully one day a cure for Multiple Sclerosis. Paul enjoys all sports and when not at work, can often be found fishing offshore.

ptynan@coresential.com
813-625-0546

Sandra Atiles-Tyrrell  
Sandra Atiles-Tyrrell Area: West/Central FL

Sandra joined the Coresential team in 2014 as a Product Specialist covering Central and West Florida, bringing with her 20 years of combined experience in manufacturing, distribution and logistics. 12 years of that experience were with Grainger holding roles in Government Sales, Inside Sales Management and Operations; 6 years were in Hub Operations with UPS in Puerto Rico. Most recently Sandra was a Lighting Sales Representative with GE Lighting where she focused on strategic accounts in the Central Florida market. Sandra holds a BS Degree and a Master of Business Administration from University of Phoenix. Fluent in Spanish (her first language), Sandra lives in Tampa, is married, and has two stepchildren and two rescued Great Danes. Sandra actively volunteers with the Colon Cancer Alliance and raises funds for the Tampa Chapter of the “Undy 5000”, an annual 5k race for this organization.

satilestyrrell@coresential.com
813-352-0195

Frank Holley  
Frank Holley Area: North Florida

Frank Holley, professional product specialist, sales executive along with being part of the energy lighting team has been with Coresential since 2009. Prior to Coresential Frank was with EMS with responsibility for Jacksonville, Gainesville, Ocala, Tallahassee and the South Florida markets since 2003. Frank was in the electrical distributor business for 27 years before moving over to the EMS team representing manufacturers for the past 8 years. Frank has been designing and selling energy lighting systems since 2004 and has a passion for saving customers money on their lighting systems. Frank enjoys spending time golfing, boating, fishing and developing long term relationships with the customer. Frank has been married for 21 years to his wife Lynne and they have two daughters and one son.

fholley@coresential.com
904-472-5000

Jim Lehan  
Jim Lehan Area: West Florida

Jim Lehan has been with Coresential since 1996 covering the west coast of Florida. Currently Jim is a Product Specialist with emphasis on OEM, end user, large contractor and specifications. Jim came to Coresential with 12 years experience in electrical distribution on both the corporate and branch sales sides. Jim has a BS from Florida State University and he earned CPMR designation in 2002. Jim resides in Tampa with his wife Julie, and children, Trey and Courtney. For relaxation, Jim enjoys anything having to do with the water, such as sailing and fishing.

jlehan@coresential.com
813-390-0645

Garrett Morrison  
Garrett Morrison Area: Central/South Florida

Garrett Morrison joined the sales team in April 2007 as an outside salesman. In 2009 Garrett began working with our Industrial sales team and concentrates on new business development with OEMs and specifications with Engineers in Central, Ft. Lauderdale, and Miami Florida Markets. Born in Mississippi, Garrett grew up in the greater Orlando area. Garrett attended the University of North Florida on a golf scholarship and now resides in Orlando with his wife Leslie and their two children. Garrett is an avid golfer and both Garrett and his wife are deeply involved with their church. Garrett is a 3-time qualifier for the USGA's Mid-Am Qualifier and was also Florida's Mid-Am Champion in 2008.

gmorrison@coresential.com
904-631-9818

Tony DiPalermo  
Tony DiPalermo Area: South FL

Tony DiPalermo joined the Coresential team in December 2014 as an End User Specialist covering Southeast Florida. Tony has over 20 years’ experience in the MRO Distribution space which included time at Rexel, W.W. Grainger, and HD Supply Facilities Maintenance. Before joining Coresential, Tony worked at GE Lighting as a Lighting Sales Representative supporting GE’s distribution channels. Passionate about lighting efficiency solutions and focused on providing customers and distribution partners with the highest level of support and technical expertise, Tony holds dual Bachelor of Science degrees from Florida State University in Marketing and Multinational Business. In his spare time, Tony enjoys spending time with his two children (Anthony and Isabella) as well as playing sports, golfing, and various outdoor activities.

tdipalermo@coresential.com
561-255-7776

David Morrison  Director of Commodity Sales
David Morrison Specialist for: Commodities



dmorrison@coresential.com
813-402-4025

Kenny Lambert  Inside Sales Manager
Kenny Lambert Specialist for: Commodities



klambert@coresential.com
813-402-4036

Betsy Gunn Chilton  Sales Manager-Energy Solutions
Betsy Gunn Chilton Specialist for: Lighting



bchilton@coresential.com
813-402-4040

Junior Bunner  
Junior Bunner Specialist for: Commercial



jbunner@coresential.com
813-402-4031

Sherry Zimmermann  
Sherry Zimmermann Specialist for: Commercial



szimmermann@coresential.com
813-402-4032

Tonya Gunn  
Tonya Gunn Specialist for: Commercial



tgunn@coresential.com
813-402-4029

Wilfred Milligan  
Wilfred Milligan Specialist for: Commercial



wmilligan@coresential.com
813-402-4035

Roger Kossert   
Roger Kossert Specialist for: Commodities



rkossert@coresential.com
813-402-4034

Barbara Opperman  
Barbara Opperman Specialist for: Industrial



bopperman@coresential.com
813-402-4028

Cybil Oliver  
Cybil Oliver Specialist for: Industrial



coliver@coresential.com
813-402-4033

Meredith Imlay  
Meredith Imlay Specialist for: Industrial



mimlay@coresential.com
813-402-3759

Walter Lora  
Walter Lora Specialist for: Industrial



wlora@coresential.com
813-402-4026

Dave Ledbetter  Lighting Project Specialist
Dave Ledbetter Specialist for: Lighting



dledbetter@coresential.com
813-402-4024

Amanda Diotalevi  
Amanda Diotalevi Specialist for: Lighting



adiotalevi@coresential.com
813-402-4041

Maria Milan  
Maria Milan Specialist for: Lighting



mmilan@coresential.com
813-402-4038

Rosa Millan  
Rosa Millan Specialist for: Lighting



rmillan@coresential.com
813-402-4039

Peter Gherini  Comptroller
Peter Gherini Peter has been with Coresential since 2004. Peter is responsible for all aspects of Coresential's Accounting and Human Resource Departments.

pgherini@coresential.com
813-402-4027

Michelle Stark  Ex. Asst.|Website & Network Support
Michelle Stark Michelle has worked with Coresential as an Executive Assistant since 1993. In addition, Michelle also serves as Coresential's network and website support contact.

mstark@coresential.com
813-402-4030

Lynda Ellis  Accounting Assistant
Lynda Ellis Lynda joined GCA, now Coresential, in October 2006. Lynda assists Peter Gherini in the Accounting Department.

lellis@coresential.com
813-402-3815

Frank Colligan   Logistics Manager
Frank Colligan

fcolligan@coresential.com
813-402-4037

Jose Martinez   Warehouse Manager
Jose Martinez

warehouse@coresential.com
813-349-0092

C.W. Harrell   Inventory Control
C.W. Harrell

charrell@coresential.com
813-349-0090

Warehouse Team
Pictured:
Frank Colligan, Robinson Salazar, C.W. Harrell, Anthony Nichols, Carlos Martinez, Jose A. Martinez.
Not shown: Jose Martinez (Manager)
Our Team
Our Location