Our Team

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Roy Sewall, Group Leader, Focus on Climate

Roy is a professional photographer with a broad portfolio – see https://www.roysewallphotography.com. Roy has published two popular coffee table photography books about the Potomac River and the C&O Canal: Our Potomac, from Great Falls through Washington, DC and Great Falls and Mather Gorge. He served as the founding Chair of the Board of the C&O Canal Trust, and later served on the Board of the Potomac Riverkeeper Network.


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Robert Barkin

While working as a full-time reporter and editor at major newspapers, Robert Barkin published news and travel photos as a free-lance photographer. Since moving from journalism, he has pursued photography as an avocation and is currently a member of the North Bethesda Camera Club. Robert has had a life-long engagement with environmental issues, beginning with his organization of his high school's response for the first Earth Day in 1970. Among his many efforts toward environmental improvement, he has worked most specifically on enhancing water quality, most recently in efforts to clean up the Chesapeake Bay and its watershed. Now retired, he currently volunteers to improve the environment through his photography.

Craig is a recently retired career public health professional who has redirected his energies to support action on climate change, environmental conservation, and helping expand wilderness reserves.  He spent much of his career supporting family planning, public health and pandemic preparedness programs in developing countries. There he witnessed the escalating adverse impacts of global population growth, unsustainable natural resource exploitation, and unchecked pollution. As a life-long lover of the natural world as well as photography, he volunteers his photographic services and time to environmental efforts.  His photographic interests include landscapes, travel, documentary, abstract and fine-art work.

Craig Carlson

Craig is a recently retired career public health professional who has redirected his energies to support action on climate change, environmental conservation, and helping expand wilderness reserves. He spent much of his career supporting family planning, public health and pandemic preparedness programs in developing countries. There he witnessed the escalating adverse impacts of global population growth, unsustainable natural resource exploitation, and unchecked pollution. As a life-long lover of the natural world as well as photography, he volunteers his photographic services and time to environmental efforts. His photographic interests include landscapes, travel, documentary, abstract and fine-art work.


Richard has had a life-long passion for conserving the environment where as an avid hiker and paddler, he understands the close connection between nature and society.  Richard has participated in many projects to restore and conserve the Potomac, the Anacostia, the Chesapeake, and surrounding watersheds.  His photography interests include landscapes and intimate details of nature fueled by a sense of wonder of the world around us. Richard contributes his photography to raise awareness of environmental degradation and to reduce the effects of climate change.

Richard Chitty

Richard has had a life-long passion for conserving the environment where as an avid hiker and paddler, he understands the close connection between nature and society. Richard has participated in many projects to restore and conserve the Potomac, the Anacostia, the Chesapeake Bay, and surrounding watersheds. His photographic interests include landscapes and intimate details of nature fueled by a sense of wonder of the world around us. Richard contributes his photography to raise awareness of environmental degradation and to motivate people to reduce the effects of climate change.





Bruce Davis, a longtime member of the North Bethesda Camera Club, serves as a Volunteer Leader for the Climate Reality Project.  He is delighted to use  his photographic skills in the service of protecting the environment and stopping  climate change.

Bruce Davis

Bruce Davis, a longtime member of the North Bethesda Camera Club, serves as a Volunteer Leader for the Climate Reality Project. He is delighted to use his photographic skills in the service of protecting the environment and stopping climate change.


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Peter Dunner

Peter Dunner is a retired Radiologist who practiced in the DC area. His awareness of health care issues and the impact of the environment on health has increased with the COVID pandemic, anti-vaxxers and science and climate change deniers. Being part of the Focus on Climate group is one local way of calling attention to issues in the physical world around us with the hope of raising awareness and hopefully leaving the planet in a better condition to pass along to further generations. Since his teen years, Peter has never been without a camera and later on, having a dark room and subsequently “digitital” darkroom. He views this group effort as an excellent practical way to combine both a hobby-passion and social causes.

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Michele Egan

Michele is a documentary photographer and a keen observer of people interacting with their environment. She’s fortunate to have traveled extensively and worked with people from all over the world during her career in international development. She loves to tell stories and to share points of view through images of a defining moment in time. She is looking forward to putting her energy and skills to use to further environmental and conservation projects. Her work can be seen at www.MicheleEgan.com.

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Todd Epstein

Todd is a 68 year old newly retired physician, a native Washingtonian, and a lifelong lover of nature and the outdoors. He did  undergraduate studies at Washington Univ. in St. Louis, where he was a Biology major and then went to G.W.U. for medical school. After completing anesthesiology training, the majority of Todd's clinical practice has been at both the N.I.H. and then Suburban Hospital in Bethesda Md. Todd has always been a hiker, backpacker, nature lover, and environmentalist. His  interest in photography is very much aligned and directed towards being able to use those skills to convey and promote environmental causes, sustainability, and the MITIGATION of Climate Change.

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Joel Hoffman

Joel is a full-time practicing attorney and a professional photographer (see www.joelhoffmanphotography.com). He is a lifelong resident of Montgomery County, Maryland, and is interested in seeing his community work hard to be more sustainable and climate-friendly. He is a member and past president of the North Bethesda Camera Club. He hopes to help achieve the goal of sustainability and climate change through his photography and looks forward to working with companies and organizations dedicated to this endeavor.

Evelyn Jacob has been a photographer of nature subjects for over 25 years, with special attention to birds in flight and to close-up subjects such as native wildflowers, cultivated flowers, and butterflies. Some of this work can be seen at  <a href="http://www.evelynjacob.net">http://www.evelynjacob.net</a>. In the past 10 years she had added architecture and street photography to her areas of interest. Evelyn has shown her work in many juried group exhibitions in venues such as BlackRock Center for the Arts, Glenview Mansion, Sandy Spring Museum, and Strathmore Hall.  She also has had solo exhibitions in several community art galleries, including Waverly Street Gallery in Bethesda, MD.

Evelyn Jacob

Evelyn Jacob has been a photographer of nature subjects for over 25 years, with special attention to birds in flight and to close-up subjects such as native wildflowers, cultivated flowers, and butterflies. Some of this work can be seen at www.evelynjacob.net. In the past 10 years she had added architecture and street photography to her areas of interest. Evelyn has shown her work in many juried group exhibitions in venues such as BlackRock Center for the Arts, Glenview Mansion, Sandy Spring Museum, and Strathmore Hall. She also has had solo exhibitions in several community art galleries, including Waverly Street Gallery in Bethesda, MD.


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Pauline Jaffe

When Pauline Jaffe is not working full-time as a Contracting Officer for the federal government she enjoys traveling to our nation’s national parks to hike and photograph landscapes, flowers, and birds. On these trips, she has seen the adverse impacts of global population growth, rising tourism and environmental degradation. In her photography, she strives to tell stories about the need for sustainability and preservation by capturing the evolving state of wildlife and landscapes through the lens.

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Mark Leatherman

Mark found his calling in teaching Earth & Space Science to 8th graders in Montgomery County Public Schools. He strove there to spark his students’ appreciation of nature and their inherent love of learning. The students learned about the science of rocks, space and weather, and they considered the evidence for and consequences of climate change. After retiring, Mark was able to combine his passion for the magnificence of nature into the art and craft of photography. He has been delighted to share his work via several exhibitions.

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Kent Mason

Kent Mason is a landscape and nature photographer and conservationist who has been creating a photographic environmental study of extraordinary wild places in the highlands of West Virginia for the past twenty years. This is a collaborative effort with The Nature Conservancy which resulted in a book titled West Virginia's Allegheny Mountains: A Photographic Journey which was published in 2018. Kent has been involved in photography for over 40 years and has been teaching visual design classes for the past eighteen years. He sells fine art landscape and nature photography in two galleries, has displayed his work in such places as The Nature Conservancy National Headquarters, and the National Wildlife Federation headquarters. He has had images published in calendars, books, Nature’s Best magazine, Wonderful West Virginia magazine, etc. and often has images displayed on The Nature Conservancy, the WV Land Trust, and many other conservation organization websites and in their local and National literature. A large collection of his images can be seen and prints ordered at WVphotographs.com.


Toni Robinson, long a lover of nature and an advocate of conservation, is a relative newcomer to photography as a serious endeavor. Since becoming involved with North Bethesda Camera Club (NBCC) in 2010, she has found a medium to combine her artistic efforts, technical curiosity, and focused interaction with the natural world.  Her images capture both large scale and intimate scenarios while on travel as well as in our very rich local environs.<br />
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Prior to retiring from full time employment in 2013, Toni taught for 12 years in both Prince Georges' and Montgomery Counties, and worked as a software developer and database architect for over 30 years.  Volunteering has always been part of her ethos, and the last few years have been spent supporting the Chesapeake & Ohio National Historic Park, Brookside Gardens, Brookside Nature Center, and CaringMatters in addition to being on the Board of NBCC since 2014 in a variety of roles, including President.

Toni Robinson

Toni Robinson, long a lover of nature and an advocate of conservation, is a relative newcomer to photography as a serious endeavor. Since becoming involved with North Bethesda Camera Club (NBCC) in 2010, she has found a medium to combine her artistic efforts, technical curiosity, and focused interaction with the natural world. Her images capture both large scale and intimate scenarios while on travel as well as in our very rich local environs.

Prior to retiring from full time employment in 2013, Toni taught for 12 years in both Prince Georges' and Montgomery Counties, and worked as a software developer and database architect for over 30 years. Volunteering has always been part of her ethos, and the last few years have been spent supporting the Chesapeake & Ohio National Historic Park, Brookside Gardens, Brookside Nature Center, and CaringMatters in addition to being on the Board of NBCC since 2014 in a variety of roles, including President.


Cherry grew up in Montgomery County and had personal experience with extensive runoff into her family’s backyard. Now living in Washington, DC, she recently hired one of Montgomery County’s first RainScapes planners to design a conservation garden to deal with the rainstorm runoff eroding her back yard.<br />
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Before she retired, she photographed children, had clients including the Girl Scouts of America, and published her photographs frequently in regional parenting magazines. She was awarded first place for photography by a parents media association. Her photos of students decorated two DC schools. Photo by Toni Robinson.

Cherry Wyman

Cherry grew up in Montgomery County and had personal experience with extensive runoff into her family’s backyard. Now living in Washington, DC, she recently hired one of Montgomery County’s first RainScapes planners to design a conservation garden to deal with the rainstorm runoff eroding her back yard.

Before she retired, she photographed children, had clients including the Girl Scouts of America, and published her photographs frequently in regional parenting magazines. She was awarded first place for photography by a parents media association. Her photos of students decorated two DC schools.



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Carolina Zumarán-Jones

Carolina Zumarán-Jones is a photographer originally from Bolivia and Argentina, she lives is in the Washington, D.C. area since 1999. Zumarán-Jones has participated in numerous in-person and online group exhibits at the Friendship Heights Village Center Gallery and the Glen Echo Photoworks Gallery. Her images have been featured in the special editions of LensWork magazine ‘Seeing in SIXES’ (2019) and ‘Our Amazing Planet’ (2020 and 2021). Zumarán-Jones’ work also appeared on The Leica Meet Selection of Excellence (October 2020) and the ‘March to March’, Maine Media Workshop Student Showcase (2021). She is a member of the North Bethesda Camera Club since 2020 and, since 2017, she has been a member of the Village of Friendship Heights Council.

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