Constantine Diamantidis is a Regional Sales Director and Group Level Manager with over 15 years of experience in operational management, sales, and staff development. He has a proven track record of turning underperforming operations around through effective sales strategies and staff development. Currently, as Group Car Sales Manager at Enterprise Holdings in Milwaukee, WI, he has led a 15% growth in deliveries YTD and increased profits by 20% while maintaining high customer service scores and a 90% employee retention rate. Previously as Area Car Sales Manager at Enterprise Holdings in Lanham, MD, he increased sales by over 50% through focused sales culture and training.

1. Constantine Diamantidis
830 Lakeview Ct #101
Brookfield, WI 53045
constantine.diamantidis@gmail.com
(703)216-5331
Regional Sales Director|GroupLevel Manager
Operational Excellence / Effective Staff Development / Top Revenue Producer
Operational Manager known for taking underperforming operations and turning them around. Experienced Sales,
Account Management and Business Development professional. Expert command of all sales aspects in the sales
process. Results-focused business manager and effective communicator. Hands-on manager that has doubled
sales volume in multiple locations through effective staff development and sales strategies. Competencies include:
 Expertise in Sales  Developing and Executing Sales Strategy
 Directing Multi-Site Operations  Restoring Operational Excellence
 Developing Sales Territories and Team  Effective Team Management Experience
 Securing Revenue Growth  Building Strategic Partnerships
 Launching New Location  Market and Competitor Analysis
PROFESSIONAL EXPERIENCE
ENTERPRISE HOLDINGS, Milwaukee, WI
Group Car SalesManagers (July 2014 – Current)
As Group Car Sales Manager, Responsible for Wisconsin Car Sales operation with driving income, hiring,
employee development, inventory and marketing
 Currently 15% growth in Deliveries YTD
 Increased profit 20 % and on pace for record profit year
 Supervise 2 F&I managers and 7 Account Executives
 Led strategy to proactively prepare for future demand, forecasting staffing needs, inventory levels, costs and
revenue
 Tailored, mentored and coached employees in their development fostering a 90% retention rate
 Led all orientation and training sessions for new hires
 Garnered customer services scores top 10% in the company
Area Car Sales Managers (2010-2014) Lanham, MD
Area Car Sales Manager (DC Group), responsible for the daily operations and creating a sales culture that
increased sales over 50%. Supervised and developed 3 F&I Managers and 10 Account executives. Responsible
for driving revenue, training and development, maintaining Credit Union partners and setting up special sales
events.
 2014 #1 in Sales in the NE and #5 in the country
 12 time Area car sales manager of the quarter winner
 50% sales growth
ADDITIONAL RELEVANT EXPERIENCE
Assistant Manager, Enterprise Holdings, Inc. (2007 – 2009)
Account Executive, Enterprise Holdings, Inc. (2004 – 2006)
Rental Branch Manager, Enterprise Holdings, Inc. (2003 - 2004)
Management Trainee, Enterprise Holdings, Inc. (2002 – 2003)
EDUCATION
Northern Virginia Community College 1988-1990(Political Science)
University Of Memphis 1990-1992(Political Science)