Our Team

Meet the MediaOne Team

Julia Miller

Chief Executive Officer

Julia Miller is CEO of MediaOne Studios and DigiPowers which provide enterprise video and software services for clients like American Heart Association, Genentech, Keysight, UCSF, San Francisco Giants and major media companies such as NBC, CNN and BBC. The company mission is to create meaningful messages so 100 million people take positive actions that will make their lives happier and healthier. Her career experience includes leading teams to create next generation innovation to develop new strategic direction. Julia has managed international divisions for global companies such as Microsoft, Citibank, Apple, and PepsiCo. Her product experience includes Xbox LIVE Launch, Apple with .Mac which is now iCloud and paperless eCard implementation with the American Heart Association. Julia has a BS degree from SUNY and MBA from Northwestern University. She serves on the Pacific Council for International Policy. She lives in San Francisco with her husband Jim.

Jerry Guerrero

Director of Video Production

Jerry is our Director of Video Production, joining the team in the Spring of 2018. Jerry has previously worked for CBS, Bloomberg Television, and 20th Century Fox.

Michael Ciabattari

Sr. Director of Broadcast Operations

Ever since his early days at KCSM (PBS), Michael has been involved in live television. While there he directed & produced shows, and occasionally operated a camera or two. He was heavily involved with the launch of LinkTV and managed their master control operations. Michael has freelanced with some major networks including: ESPN, FOX, MLB, NBC, Comcast. Michael also spent a few years with Onstream as a Video Production Manager. After freelancing with MediaOne for a number of years, Michael joined us full time as Director of Venue Operations in 2014. Michael currently manages all broadcast services at AT&T Park. This is perfect because he can combine his technical savvy and his love of sports. You can see him at the ballpark for every Giants’ home baseball game! In his spare time, he enjoys playing basketball, going to museums, and creating art. He currently resides in Burlingame, California.

Rolf Kaiser

Chief Technology Officer

Rolf was previously Lead Program Manager for MSN Entertainment at Microsoft, where he managed the development and launch of the MSN Music Service. Rolf has engineering degrees from both the California Institute of Technology and Stanford.

Jacob Waldman

Chief Designer & Front-End Engineer

Jacob has worked with DigiPowers, Inc. since it was founded in 2009. He lends his expertise in graphic design, web development, CMS and eCommerce systems, product design, and responsive mobile & app design.

Karen Richer

Director of Finance

Karen joined MediaOne as Finance Director in July 2009. Previously, Karen was on the international experiential marketing team at R/A Performance Group in 2003 where she managed the finances and human resources for this event management company. Karen graduated from San Francisco State with a degree in Business Administration.

Jim Miller

Chairman

Jim is a leader in building world class brands and customer relationships with luxury consumers and partners to achieve the highest levels of measured profit, sales performance and overall customer satisfaction. His experience includes Ralph Lauren, Saks Fifth Avenue, Louis Vuitton Moet Hennessey (LVMH), Ulta and Target.

Corinne Sigismund

Director of Human Resources

Corinne Sigismund has worked with Digipowers since it's inception as a Finance Manager and Director of Human Resources. She is responsible for Digipowers financial administration and coordination of the business infrastructure, administration, and human resources.

Aaron Mandelbaum

Chief Strategy Officer

Aaron has worked with DigiPowers since its inception as a parter through his company Icebreaker Consulting which provided outsourced digital marketing strategy. Aaron received a BA in Philosophy and an MBA in Strategic Management.

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