Kiri Masters

Kiri Masters is the Founder & CEO of Bobsled Marketing, a digital agency created to help consumer product brands grow and protect their Amazon marketplace channels.

After a successful career as a commercial banker at JPMorgan Chase, Kiri launched her first e-commerce business on Amazon. Recognizing the enormous potential of the channel, it wasn’t long until Kiri decided to build a team of true Amazon experts and provide a platform for brands that were looking to grow.

Her entrepreneurial mind and passion for ecommerce, allowed Kiri to become a strong voice in the Amazon world. Today she is the author of ‘The Amazon Expansion Plan’ and a contributor on where she writes about Amazon from a brand’s perspective.

Kiri is also featured on the RetailWire panel of retail experts, a co-host of the Ecommerce BrainTrust podcast and the winner of a Silver Stevie® Award for Young Female Entrepreneur of the Year.

Julie Spear

As Bobsled's first employee, Julie’s had the benefit of filling positions from Account Associate, to Account Specialist, to Project Manager, Operations Manager and Vice President of Operations. These experiences offered insight into the inner workings of each role on the Client Delivery team and the needs of our clients. Prior to joining Bobsled, Julie was the Program Director for a large private school in Chicago. Julie saw the school through an extended period of significant change and growth (more than 500%). This experience helped Julie to grow her my strategic planning skills to facilitate an organization's planned growth, while also supporting teams and holding true to the organization’s vision and values.   

Julie is the co-host of the Ecommerce Brain Trust podcast.

“My background in education and counseling also helps me ask the right questions to get to the essence of an issue and help find solutions.”  

Tom Crosthwaite

As co-founder and Marketing Manager, Tom spends most of his time listening to our prospective clients to understand the unique conditions that affect their brands on Amazon and earning their trust by demonstrating how an effective Amazon channel strategy can help them achieve their revenue goals without hurting brand perception.

Beyond his current role at Bobsled, Tom has a background in digital marketing and is an Australian native who now lives in Brooklyn, New York.

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Stefan Jordev

Stefan is Amazon Advertising certified, as Bobsled was among the first companies in the World to participate in Amazon's BETA certification program.

Prior to Bobsled, Stefan managed digital advertising campaigns at the Swedish software and consulting company Seavus, worked on a master's degree in E-business, and became a thought leader in the online marketing space, having written for several industry publications.

His multi-disciplinary digital marketing background includes Bing ads, AdWords, lead generation, email & social media marketing, and certification in Google Adwords. His home is in Skopje, Macedonia.

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Emily Peterson

Emily joins the Bobsled Team with over a decade of progressive experience in recruitment marketing and team development. Starting her career in B2B sales, she worked directly with clients to address their challenges & needs for increasing brand recognition.

Moving from Sales into Operations, Emily became a Client Project Manager, and was then promoted into a Program Manager & Team Manager to provide direct oversight and guidance for ensuring quality delivery and growth of key accounts. Emily brings with her the knowledge and passion for building, coaching and growing effective teams.

When not at work, Emily enjoys all of the benefits her state of Colorado has to offer: hiking, skiing, camping and being out in nature with her family!


Brittany Startzel

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Brittany spent four years working for one of the largest third-party retailers on Amazon and specialized in account management, with a portfolio of roughly three hundred brands. Her love for the online world began at the University of Montana where she was the first student to graduate from the Social Media Management program.

As an expert in onboarding new clientele, she transitioned to a lead sales role and focused on cultivating partnerships specifically for the Amazon platform, as well as international markets. Brittany was intricately involved in organization, training, and innovation within her department and brings to Bobsled the same passion for building long-lasting relationships through bootstrap measures and creative initiatives.

Brittany's years of experience within the retail space on Amazon provides fresh insight to the brands she connects with and allows for a genuine understanding of the pain points that naturally come with selling on the marketplace. Her love of relationships, creative thinking, and problem-solving made for a natural transition into the Sales Manager role at Bobsled.

Louise Gray

Louise is a certified Client Services Manager through the Project Management Institute and is credited for launching a wide range of projects, from motion capture stage construction to national press conferences and multi-million dollar video games.

Her impeccable organization skills and articulate communication give her an edge when navigating the complex and ever-changing world of Amazon.

With an MBA in Marketing and Finance, Louise is in tune with client priorities and loves to create long-term strategies for them on Amazon.

Louise has a sharp eye for detail and loves digging into our client accounts, identifying opportunities to drive growth on Amazon.

Jesse Chembars

Jesse has an extensive background in e-commerce project management, having worked with both large established brands and private label products. Beyond Amazon, he also worked with other marketplaces including Wal-Mart, eBay, Sears, and Jet.

Jesse is highly analytical, having earned a degree in business administration focused on Finance, and likes to let the data in client accounts tell its own story.

He is truly passionate about helping businesses grow and educating e-commerce sellers on the nuances of Amazon.

Jesse has made it his personal mission to stay on top of all Amazon news and trends - a daunting task for some but a motivator for Jesse!  

Lauren Sutehall

Lauren has an MBA from Northwestern University’s Kellogg School of Management. She is an experienced Project Manager and team leader. 

Her experience includes international work as a Senior Consultant for Deloitte where she optimized product listings by assessment and expansion of Deloitte's Global Products and Solutions Storefront. 

Detail oriented and curious, Lauren loves the unique challenges Amazon can present.  You can count on her to dedicate herself to researching and advocating for her client needs on Amazon until a solution is found!

Lauren’s extensive experience in data analytics is a great fit for analyzing the world of Amazon and determining ways to help our clients’ product sales grow.

Armin Alispahic

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Armin has substantial experience in e-commerce, especially with Amazon. His expertise covers all Amazon selling platforms and he has worked with clients across multiple Amazon marketplaces. On a daily basis, he identifies and troubleshoots critical performance issues for clients while keeping an eye out for growth opportunities.

With his vast knowledge of the intricacies of the Seller Central and Vendor Central platforms, Armin is quick to answer client questions and successfully troubleshoot the unexpected that can arise when selling on Amazon.  He could be considered a one person Help Line!

Jennifer Hozer

Jennifer has spent the majority of her career in the entertainment industry. From the Ellen DeGeneres Show to NBC, her skills as a producer, and as an executive growing a licensing division within the network, tapped her expertise in business strategy, marketing and project management.

Her entrepreneurial spirit lead her to Amazon and she never looked back. She successfully launched a brand of French born baby products with great success. Over the last few years she ran her own consulting company helping clients achieve success in revenue growth and brand awareness through her creative solutions and results-oriented strategic vision.

Jennifer is passionate about problem solving, always looking for solutions that will improve any situation for her clients so they can realize their goals.  She calls Los Angeles, California home.

Jennifer also joined us on Season 2 of the Ecommerce Braintrust Podcast where she shared her expert advice and knowledge. Tune in to enjoy more content from Jen.

Rachel Street


Mandated by performance, driven by data and passionate about all things Amazon, Rachel comes from a leading retailer within the online marketplaces and has worked tirelessly to help hundreds of brands market their products on Amazon.

A digital marketer at heart, her analytical approach to the marketplaces ensures that all objectives are measurably accomplished and geared towards long-term success.

Rachel welcomes both change and challenge, knowing that obstacles and success paths are fluid on Amazon and require continual strategic management.

Jordan Ripley

Jordan is a digital marketing and management professional with years of experience overseeing product strategy and performance advertising budgets for enterprise-level brands’ ecommerce channels.

Prior to joining Bobsled, he managed the SEO, SEM, SaaS, and channel management teams for a top-five Amazon seller. No matter the challenge at hand, Jordan loves learning the intricacies of complex processes and using that knowledge to help teach others.

After spending most of his career working in the ad agency and tech industries in Austin, Texas, Jordan now lives in Spokane, Washington where he enjoys mountain biking, skiing, and anything in close proximity to nature.


Nikola Bashic

Nikola is a PPC Manager certified in digital marketing through HubSpot Academy and Google AdWords. He has also completed & achieved his Amazon Advertising Certification through their DSP platform, formally AAP.

Before that, he worked as a High School teacher for several years. His major subjects to teach were Entrepreneurship and Business Administration.

Most recently, Nikola is working as an Amazon PPC Manager, helping clients to reach their revenue goals through paid ads on Amazon. Nikola has a master degree in finance and business administration and in his work he is highly creative and detail oriented. He lives with his dear family in Subotica, Serbia.

“In my work I am highly creative and detail oriented.”

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Ioana Andries


Prior to joining Bobsled as a PPC Manager, Ioana worked as an advertising account manager for dozens of brands on Amazon.

Ioana takes the time to understand her clients' products and advertising goals, making for productive partnerships. Ever the student, Ioana's love of learning and curiosity ensure she stays on top of Amazon's advertising trends and changes.

Data-driven, Ioana is at home in excel, analyzing the numbers to determine the best strategies for continued growth in her accounts.  She loves traveling, and her current home is in Romania's beautiful city of Constanta.

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Ross Walker

Ross’s background is in digital marketing, developing top-level Amazon business plans and delivering data-driven growth for established B2B brands.

A complete data nerd with a passion for business, Ross is responsible for developing advertising strategy for Bobsled’s clients. He spends his time pouring over reports and getting creative with tactics to achieve your Amazon goals.

Ross has a competitive spirit and an analytical mind. His home is the beautiful city of Toronto.


Aleksandar Gadjovski

Aleks’ background in internet marketing, specifically Google Analytics, Adwords and SEO, combines his prior interests in programming and economics.

At Bobsled, he creates and optimizes Amazon advertising campaigns in Vendor and Seller Central for his clients. Aleks holds a bachelor's degree in E-business.

“I am a member of the local Mountain Search and Rescue Unit, and I can say with confidence that I know how to be a team player and work under pressure when the stakes are high.”

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Danica Petrovic

Danica has been with Bobsled since October 2016 as an Account Specialist, where she gained an extensive knowledge of Amazon systems and successfully launched and optimized hundreds of client’s listings. Her natural curiosity led her to take more interest in advertising part of Amazon system and shift to Data specialist role within the team. With positive attitude, attention to detail and result-driven approach she has become a valuable member of PPC team.

The ultimate team player, Danica can be counted on to contribute her skills wherever needed.

Before joining Bobsled, Danica has earned a master's degree in ecology, and enjoys volunteering for ecology groups.

Ignacio Herrero

Ignacio joined Bobsled Marketing in 2018, just as he graduated from a Business Administration programme in his beautiful home city, Barcelona. Prior to joining our team, Ignacio supported a few European companies from both Product Marketing and Brand Management positions. This was also the first contact he had with Digital Marketing on Amazon and the beginning of a beautiful journey in his career.

Ignacio is a team player, a committed individual and a professional eager to learn and adapt to this fast changing environment that is Amazon.

Ignacio supports the team from his home city in Barcelona, Spain, where he continues to discover new places every day.