Leadership Team

Brian Toll, Founder and President

With oil and energy prices on the rise and global warming all over the news, Brian went looking for ways to reduce his energy costs and environmental impact. Frustrated with his experience at big box retail and suffering from information overload thanks to the internet, Brian left his role in Sprint Nextel’s marketing department to found ecobeco, a company whose primary mission is to end the confusion of what it means to be eco-friendly and to make it easy for consumers to implement eco-friendly solutions in their homes. Brian and his wife live in Bethesda.

Reuven Walder, Founder and Vice-President

Reuven is a Certified Building Analyst and Building Envelope Specialist through the Building Performance Institute, a certified Healthy Home Specialist through the National Environmental Health Association, and an EPA Lead-Safe Certified Professional. Reuven is also a licensed Home Improvement Contractor in Maryland, Virginia and the District of Columbia. He has a broad base of knowledge around building science, energy efficiency and environmentally-friendly products, and is the lead contractor supporting a research study that is investigating the link between enhancing indoor quality and reducing childhood asthma symptoms. A committed conservationist, Reuven has devoted his career to developing projects aimed to reduce resource consumption and promote sustainability. He also has experience conducting research on ecosystems and species. He is an experienced environmental educator utilizing his broad base of scientific and mechanical systems knowledge to educate and empower people around him to wisely use and protect our resources whether on a nature tour or in their home. Reuven lives in Silver Spring, Maryland with his wife, son and two daughters.

Nick Rosenthal, Director of Operations

Nick is a certified BPI Building Analyst. As firm believer in the necessity of implementing energy-demand reductions as part of the solution to the emerging energy crisis, Nick works towards a green energy future for all Americans. Nick graduated from Eckerd College with degrees in Environmental Studies and Computer Science, and is always looking for new ways to promote sustainability. Nick enjoys spending weekends in the outdoors hiking, snowboarding, goecaching and biking. Nick lives in Germantown.

Kelly Vogan, Director of Remodeling

Kelly has over 28 years of experience in the residential remodeling and commercial construction business. He is a 3rd generation builder who has worked his way up through the business from the ground up.  Kelly draws upon his diverse experience to provide comprehensive project oversight and management ranging from business development and estimating to scheduling, project management and quality control. Kelly’s commitment to quality and efficiency, depth of knowledge and vast long-term relationships with subcontractors and vendors is invaluable to the ecobeco team and our clients. Kelly’s certifications include Green Advantage, OSHA 30, OSHA RRP, Maryland lead paint supervisor and US Army Corp of Engineers QCM. Kelly lives in Maryland with his wife, three kids and his dog.  He likes anything outdoors and spending time with his family.

Sandy Perry, Director of Accounting and Human Resources

Sandy has over 15 years of experience in HR & Accounting.  She enjoys working with people and loves helping others. In her spare time she enjoys working on fundraisers and volunteer work. Sandy lives in West Virginia.

Energy Auditors and Staff

Nicole Applegate, Customer Service Manager

Nicole has her Bachelors in Environmental Science and Policy from University of Maryland College Park where she learned to protect our natural environment we need to find a balance between everyday life and nature. At ecobeco she helps customers coordinate audits for their home energy efficiency needs, and is dedicated to helping people understand that as individuals they can still have a positive impact on the environment. She has lived in Maryland her whole life, and enjoys art as well as being outside with her German Shepard puppy.

Jillian Becker, Energy Analysis Manager

Jillian is a BPI Certified Building Analyst. A recent graduate of James Madison University’s Integrated Science and Technology program, Jillian has spent the last several years studying many aspects of energy efficiency, as well as environmental concepts. Jillian also enjoys music, traveling, and the great outdoors. She believes in leading by example and is excited to be a part of this promising industry. Jillian currently lives in Silver Spring.

Taylor Branch, Home Improvement Project Manager

He helps Ecobeco Auditors investigate high bill complaints and help customers find ways to reduce their electrical consumption and assists the team with installation of energy saving devices. He enjoys using his problem solving skills to both improve homeowners’ comfort, and to contribute to a better environment.

Oliver Florido, Energy Efficiency Analyst

After initially coming aboard as a part time data entry staff, Oliver transitioned into being a full-time Energy Efficiency Analyst. He found that building science is an ever-evolving science and that the team that makes up ecobeco is an incredibly curious bunch which he believes makes for a great and inspiring workplace. He is our quiet workhorse, rotating between customer service and warehouse logistics in addition to his primary responsibilities. With the realization that sustainability is a necessary part of our futures, Oliver considers this something to be excited about every day.

Ellen Haber, Sales Manager

Armed with an MBA with a concentration in Marketing Management, Ellen has marketed technical services for most of her professional career. Her strong understanding of customer relations and business processes translates to positive customer experience and more projects in the pipeline. For the past five years, Ellen has learned a lot about local environmental issues while serving as the co-chair of a sustainability group in her Silver Spring community. She enjoys foreign languages, cooking and yoga.

Nanda Holmes, Energy Auditor

We are proud and pleased to have him working with us in an area of new growth for the times in which we live in. Energy efficiency is very much on the top of the list on homeowner’s minds, and Nanda is able to provide service and advice to those wishing to save on utilities. Nanda’s goal every working day is to be able to diligently install money and energy saving products in clients’ homes. He finds comfort knowing that he is saving client’s money and optimizing the comfort level of their homes. He enjoys interacting and learning from other ecobeco team members as well as meeting new people, visiting new places, and being involved with marketing activities to promote ecobeco at community events

Olu Olufunmilade, Energy Auditor

Olu is a graduate of Architecture with over seven years experience using the knowledge of engineering and architectural practices for design, construction, and project management. Olu is also a BPI certified Building Analyst, and has keen interest in green technology and energy conservation. He wants to help home owners have more energy efficient homes. Olu and his wife live in Silver Spring.

Greg Parks, Energy Auditor

Greg takes pride in his work and is eager to continue to educate himself in all aspects of energy conservation. Recognizing increased efficiency as an important step towards building a sustainable future, he is excited to help make a difference with people’s homes. He believes that sustainability isn’t about cutting back. Instead, it’s all about making home improvements that not only save money and help the environment but it also makes your home healthy and comfortable. Greg is a certified BPI Analyst and is well versed on the many ways to conserve energy. He shares this knowledge with all of his customers as he performs energy audits. He enjoys working with homeowners and showing them the many ways they can conserve.

Suresh Pokharel, Energy Efficiency Revenue Assurance Manager

Suresh is a BPI Certified Building Analyst and BPI Envelope Professional. As an engineer and architect, he possesses years of experience in building science and environmental management. Suresh believes that we must revitalize resources; have better coordination between available natural resources and energy consumption; and understand our built environment. He and his family live in Germantown.

Ernesto Rivera, Energy Auditor

Ernesto joined ecobeco in 2011. Originally from El Salvador with a degree from El Salvador University of Technology, he is able to identify issues in your home that are affecting your health, safety, comfort, and pocketbook. As a Building Performance Institute (BPI) certified Building Analyst Professional, he is able to help homeowners improve their living conditions and address energy efficiency concerns.

Michael Simione, Customer Service Specialist

Mike joins the Ecobeco team to help serve customers and support the great energy auditor staff working hard every day to promote energy efficiency and indoor air quality.  After 8 years of service in the Army, he brings his operational experience, dedication to excellence, and professional manner to the team in the hopes of making a difference in the arena of sustainability and environmental responsibility.  He attended the University of Tennessee for Public Administration and enjoys playing soccer and darts in his free time.

Jim Singer, Energy Auditor

Jim has spent most of his working career in one form of the building trades or another. In 2009, he decided to take his building knowledge and what he had learned trying to make his own 90 year old house more comfortable to help others achieve their energy efficiency goals. Jim is a certified BPI Building Analyst. He and his family live in Washington, DC.

Shira Singer, Energy Auditor and QHEC Manager

Shira graduated from the University of Maryland in 2012 with a degree in environmental science and policy where she developed a strong interest in energy efficient and sustainable building design. Her need to increase expertise in these areas led her to ecobeco, where with a little good luck and good timing, she is able to continue learning with our team. She is hopeful that the time has finally come for us to create real solutions to our energy challenges, and very happy to be doing her small part. Her other pursuits include permaculture, food justice, alternative home construction, camping, and cooking.

Daniel Walfield, Energy Auditor

Daniel believes service and customer satisfaction are paramount. He makes sure that the customers have a clear understanding with regards to the products and how they perform to provide you the best in energy efficiency, and how they will save you money over their lifetime. He is very passionate about helping homeowners address their energy concerns and hopes to inspire more homeowners to move to action. Daniel recently received his BPI Building Analyst Certification and describes the inefficient use of precious natural resources as karmically foolish and politically shameful, and believes that it’s our responsibility to husband our resources wisely and make the most of them.