Peter Gantriis is founder and president of RPM Research, LLC, a market research and consulting firm that works with the world’s leading automotive and powersports manufacturers. Peter has an MBA from the University of Minnesota and is an avid motorcycle and car enthusiast. He lives near St. Paul, Minnesota, with his wife and three children. When he’s not using his free time writing for Motorbooks, Peter enjoys boating, skiing, and investing in slow racehorses. Official Website: www.motorcyclemarketresearch.comOn Twitter: @rpm_research
Henry von Wartenberg is a freelance photographer and writer whose work has been featured in many books and magazines. He is the photographer for Motorbooks’ Art of BMW. Von Wartenberg has worked for many companies and publishers in Argentina and elsewhere, including Editorial Atlántida, The Mail on Sunday, and NationalGeographic Adventure magazine. Through his publishing company, Tripleve Editores, he has published several books of his photography including Motos Clásicas en Argentina,Charles Darwin at Southern South, Red Deer, and Alaska-Tierra del Fuego. Henry’s photographs and his series of fine art collages are in many private collections. In April 2021 Henry will cycle across the United States to produce a new book. He lives in Tigre, Argentina, with his wife and two daughters.
Peter Gantriis (Mahtomedi, MN) is founder and president of RPM Research, LLC, a market research and consulting firm that works with the worldÆs leading automotive and powersports manufacturers. He is an avid motorcyclist and lives in Mahtomedi, Minnesota. Henry Von Wartenberg (Tigre, Argentina) is a freelance photographer from Buenos Aires, Argentina, whose work has appeared in many books and magazines, such as National Geographic Adventures. Fred Jakobs is responsible for BMWÆs motorcycle heritage collection and archives at BMW Mobile Tradition.
Henry von Wartenberg is a freelance photographer and writer whose work has been featured in many books and magazines. He is the photographer for Motorbooks' Art of BMW. Von Wartenberg has worked for many companies and publishers in Argentina and elsewhere, including Editorial Atlántida, The Mail on Sunday, and NationalGeographic Adventure magazine. Through his publishing company, Tripleve Editores, he has published several books of his photography including Motos Clásicas en Argentina,Charles Darwin at Southern South, Red Deer, and Alaska-Tierra del Fuego. Henry's photographs and his series of fine art collages are in many private collections. In April 2021 Henry will cycle across the United States to produce a new book. He lives in Tigre, Argentina, with his wife and two daughters.
