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Timothy Sill

Director - Network Development Sprint Corporation


Further expand my executive leadership skills and business knowledge within a dynamic business environment. 


Accomplished professional with over 20 years of Radio Frequency wireless experience, leading results oriented, strategic, and high focus programs. Self-motivated leader managing innovative and visionary programs throughout several organizational teams. Diverse background in radio frequency technology with emphasis in end to end wireless performance and solutions. Advanced management and technical skills with proven experience in developing high performance teams. Innovative technology leader who can translate ideas to action and results. Effective manager skilled in communicating technical concepts and gaining executive support for new ideas.

Work experience

Jan 2009Present

Senior Manager, Network Development - RF Technology & Performance

Sprint Nextel

Leading Sprint's largest strategic network modernization development program. Program to evolve the national CDMA voice and EVDO data networks while reducing the wireless business' total cost of ownership by >40%. Extensive exposure to executive staff as lead manager of a 50 plus person cross functional team.  Initiating network evolution and commercial contract strategies, identifying means to reduce capital and operational investment cost exposure.

  • Successfully managed executive communications of a $3B network evolution risk.
  • Development of key communication overviews for CEO and Board of Director meetings.
  • Adviser to Corporate Strategy on cost, benefit, and risk analysis for >$16B of network assets.

Executive Leadership Award recipient for quality management skills and consistently delivering results.

Sep 2004Dec 2008

Manager, Network Development - Radio Access Performance & Motorola

Sprint Nextel

Successfully developed a new team of ten highly technical and diverse professionals in developing advanced RF coverage solutions to reduce both capital and expense costs for expanding the CDMA wireless network . Managed business case analysis and technical assessments for all new Radio Technology features. Expanded team through integration of seven team members focusing on Motorola Radio Access Network development.

  • Led the development and deployment of the first global CDMA Femto BTS product.
  • Development led for next generation wireless backhaul architectures.
  • Fostered team innovation resulting in development of more than 20 new patent filings.
  • Developed initiatives with positive benefit for long term strategic vision of $15M to $50M.
  • Managed team budget of $5M to $30M within corporate 10% variance margin.
  • Identified and successfully mitigated a $29M Motorola contract risk.

Executive Mission Values and Promise Award recipient from executive team for manager execution, quality, and integrity for leadership of the Femto Cell development program.

Sep 2001Sep 2004

Principle Network Systems Engineer - Access Development


Principle architect for design, analysis, and development for corporate RF coverage, capacity, and application development. Developed key company strategic policies for use of RF equipment as well as all new wireless applications.  Lead RF developer for Sprint's first Push-to-Talk application Ready Link, and created universal RF integration criteria for Mobile Virtual Network Operators.

  • Executed executive initiated projects under compressed schedules: Development of indoor pico repeater and RF network coverage enhancement solutions
  • Authored six patent filings for CDMA & PTT design features; two patents awarded.

Note: Success and performance in this position was instrumental in promotion to Manager.


Manager Wireless Products & Sales Engineering

Adaptive Broadband Corporation

Supported executive team in positioning a start-up wireless broadband TDD product line.  Developed corporate strategies to position products 100% remotely. 

  • Directed customer meetings to define requirements, RF designs, and deployments. 
  • Provided global technical support as well as developed operations guidelines to reduce customer network outages, protect their lost revenue, and reduce customer churn.

Executive Award recipient for successfully saving a $5M international customer


Principal RF Engineer

Nortel Networks

Led a team of nine engineers to execute multiple projects on time, budget, and quality. 

  • Developed plans with sales to optimize and grow revenue for deployment services.
  • Assisted in developing contract design validation testing of Sprint PCS markets.
  • End to end development plans for deployments of RF Engineering products.

Senior RF Engineer

Sprint Spectrum LLC

Lead Nortel RF Standard engineer for Sprint/s new CDMA market deployments.

  • Validated contractual warranty for markets against RF Design objectives.
  • Led Corp. RF Engineering in new BTA RF designs and national benchmark testing.


Jan 1996Present

Bachelor of Science, Electrical and Computer Engineering

University of Missouri