SE&C's Leadership

SE&C has two principal officers who co-founded the business in 2014: Theresa Schmoker, Chief Executive Officer (CEO) and Majority Owner and Duane Schmoker, Managing Director. Darren Shank is SE&C's Executive Vice President of Business Development, Edgardo Berrios is SE&C's Senior Vice President of Business Development, and Wilton Guerra is SE&C’s Business Manager.


Theresa Schmoker, CEO

With more than 30 years’ experience in analyzing problems and creating solutions, Theresa Schmoker is an exceptional leader who has worked with multi-national clients in addressing life-changing issues.  Before joining her husband Duane in establishing SE&C as a successful technical-consulting enterprise, Theresa applied her talents to helping distressed individuals and families improve their situations and restore their lives. In 1998, she founded and led Healing Angels, a non-profit organization to provide counseling and guidance to troubled and abused teenagers, abused women with drug and alcohol addictions, and victims of abusive marriages. Healing Angels provided counseling services, temporary shelter, and nourishment at no cost to its clients in the Mid-Columbia region of Washington state for more than 15 years. Theresa has a Bachelor’s Degree in Theology and is a certified counselor for chemical dependency and trauma response and grief training. A recipient of a Dr. Martin Luther King Woman of the Year Award, Theresa is also an Ordained Minister in the Episcopal Church.  In this capacity, she has coordinated and led missions in Mexico, Canada, and the U.S., helping disadvantaged and troubled and abused individuals overcome adversity. Today, with her background as an insightful leader and business woman, Theresa ensures the overall successful operations of SE&C. She focuses on human relations and corporate outreach, which includes community internship and continuing education programs.

Duane Schmoker, Managing Director

During his nearly 40-year career in energy and nuclear waste management, Duane Schmoker has earned a reputation for sound management leadership, strategic business development, and in-depth technical expertise. He has worked with customers worldwide, applying his unique analytical thinking skills to formulate and implement creative solutions that deliver positive results.  An active member of the American Nuclear Society and the American Society of Mechanical Engineers, Duane has authored numerous technical papers on spent nuclear-fuel storage and transportation, and nuclear-waste management, including steam-reforming processes for treating orphan waste. He holds U.S. and international patents for technologies to improve nuclear material monitoring and storage.  Prior to founding SE&C., Duane was a Senior Vice-President for the Global Management & Operation Services Group at a fortune 200 company. In this function, he led business development, developed strategic initiatives, and managed the company’s energy and science portfolio. His forward-thinking approach delivered $24 Billion in new contracts/extensions over a 15-year period.

As SE&C’s Managing Director, Duane focuses on leading the company’s strategic business development and marketing activities, contract negotiations, client relationship management, and recruitment of qualified resources to leverage diverse experience and technological advancements to satisfy client needs.

Photo-Darren Shank

Darren Shank, Executive Vice President of Business Development

Mr. Darren Shank is a senior business development leader with over 25 years in delivering and sustaining revenue and profit for large international corporations, as well as small business concerns, within the highly competitive energy, environment, and national security sector. Mr. Shank is an exceptional communicator with strong problem-solving skills with a keen ability to assess and deliver client needs. His ability to aggressively identify and capture new opportunities, develop a corporate focus, establish strong customer relationships at all management levels, and provide tactical business and technical solutions provide immediate business results for our large and small business clients.

Mr. Shank's proven track record resulted in a greater than 80 percent proposal win rate in the past ten years and the capture of over $10 billion dollars in new contracts within the DOE Office of Environmental Management, the National Nuclear Security Administration, Energy, and Science. Shank’s experience also includes international opportunities with the Nuclear Decommissioning Authority (NDA), the Atomic Energy of Canada (AECL), and the Japanese market.

Mr. Shank has established relationships and understanding of the DOE market with an ability to provide critical market positioning and intelligence within DOE headquarters, DOE field offices, and key contractors.  He has strong technical problem-solving skills with an ability to develop and identify unique technology solutions that create distinct discriminators for opportunity capture in highly sophisticated markets. His experience in the development of business entities, mergers & acquisitions, teaming agreements and assessment of governance models to support such business development activities provides our clients the right strategic relationships and business models to win and execute work in complex industries.

Edgardo (Eggie) Berrios, CP APMP, Senior Vice President of Business Development

Edgardo Berrios is a high performing Business Development manager with 28 years of experience that encompasses a unique blend of business development and technical expertise in nuclear waste management and high-tech industries cleanroom operations. Mr. Berrios began his career as a process engineer responsible for the designs of radioactive off-gas treatment systems, radioactive waste treatment systems, and critical support systems for high-technology cleanrooms which he delivered on-budget and on-schedule. For the past 14 years, Mr. Berrios led and supported business development activities for AECOM and CH2M in the U.S. federal government market (U.S. DOE, DoD, DHS, and FEMA) and U.K. Ministry of Defense. He pursued high consequence and highly technical/complex procurements that resulted in securing over $14.5B of new revenue for the companies. Mr. Berrios is proficient in all business development lifecycle activities including market analysis, client and competitor analysis, opportunity assessments, capture planning (win strategy, teaming strategy, and win technical and cost strategy), capture management, proposal planning, proposal management, proposal development, and oral presentations training. He is an active participant in the Association of Proposal Management Professionals (APMP) and has been a Board member (Vice Chair) for the past 8 years for the Pacific Northwest Chapter.

As SE&C’s Senior VP of Business Development, Mr. Berrios leads all proposal management and development support activities we provide for our clients.


Wilton Guerra, Business Manager

Wilton Guerra has been a key part of SE&C since its inception and has successfully established the company’s, administrative, accounting, and financial procedures and processes. Before joining SE&C, Wilton worked in the food and beverage industry for more than ten years. His experience in customer service is a solid base for dealing with SE&C’s diverse pool of clients and subcontractors. The combination of Wilton’s educational background and training, customer-service orientation, perseverance, strong work ethic, self-motivation, and bilingual skills enables him to deliver positive results in any environment.

As the Business Manager for SE&C, Wilton focuses on managing SE&C’s budgets, client contracts, subcontracts, organizational and tax-filing compliance, and cash-flow management; and identifying and planning for the company’s current-future financial needs.

Mitch Lewis, Field Services Manager

Mitch has over 30-years working in the advertising/marketing industry including co-owning an award-winning advertising agency for 9-years.  Mitch brings his creativity and passion for finding solutions to field services at SE&C.  He enjoys helping people find the right fit and build a successful future.

Recruiting focus:
Executive management, strategic planning, contract transition, nuclear operations, waste management, engineering, technical support, project management and operations support.

Mitch Lewis