Our Team

OUR

TEAM

We believe in a new kind of relationship between the technology provider and client and we set out to transform the way financial systems are deployed and used in the future. The leaders of Black Diamond have owned and built several of the largest finance system consulting firms in the industry. This new company is intentionally different. We want to have joint ownership of the solutions we develop with clients and be engaged with them throughout their entire transformation journey to ensure the greatest value is derived from the investment. We will only work with OneStream Software because we believe that it is the future of digital finance and we are totally aligned with them on 100% Customer Success.

Black Diamond is the leading Digital Finance Transformation firm and OneStream Diamond Partner. Our services include Financial Transformation, Change Management, Process Automation, OneStream Solutions. We are a global partner operating in the U.S., Canada, Europe, and Australia. As a single firm with truly global capability, Black Diamond is committed to meeting the combined needs of the CFO and Controller, as well as IT and Business Unit Leaders. The firm knows that the solution to a company’s digital finance transformation is expert implementation and ongoing collaboration. Our industry practices include:

Manufacturing & Industrial
Hospitality & Retail
Banking
Financial Services

Private Equity
Technology, Media & Telecommunications
Travel, Transport & Logistics

Insurance
Energy & Utilities
Healthcare
Higher Education

We lead with our talent of “Experts Only” and develop a unique platform for each of our clients combining finance and operational data into interactive dashboards and real-time analytics. Our firm has a single mission of 100% Customer Success that is directly aligned with the OneStream executive leadership.

Manufacturing & Industrial
Hospitality & Retail
Banking
Financial Services
Insurance
Energy & Utilities
Healthcare
Higher Education
Private Equity
Technology, Media & Telecommunications
Travel, Transport & Logistics

Leadership Team

Randy Werder

CEO / Co-Founder

Carl Yost

Chairman

Sherri Schaffroth

Managing Partner

Damon Mittleider

Chief Product Officer

Mark Goodman

Director – Close & Consolidation

Mike Vannoni

Director – Advisory

Jason Karber

Director – Close & Consolidation

Vincent Valentine

Director – Global Architecture

Joe Tomlin

Director – East Region

Shauna Goodsell

Director – West Region

Vincent Valentine

Director – Global Architecture

Ashwin Mathena

Director – Close & Consolidation

Jon Harvey

Director – Global FP&A Advisory

Jason Karber

Director – Close & Consolidation

OUR
COMMITMENT

As a single firm with truly global capability, Black Diamond is committed to meeting the combined needs of the CFO and Controller, as well as IT and Business Unit Leaders. The firm knows that the solution to a company’s digital finance transformation is expert implementation and ongoing collaboration.

NEW PARADIGM
Leverage our unique knowledge of the OneStream solution and process to QUICKLY move to value optimization and performance improvement.
SUBSCRIPTION SERVICE
We strive to offer the same value proposition that is fueling the expansion of cloud-based SaaS solutions by aligning with our clients over a time horizon that mirrors their SaaS investment.
PLATFORM THINKING
D-CPM or Digital Corporate Performance Management requires a deep understanding and a passion for optimizing the business model of our clients by unlocking the entire platform of the technology that supports it – we don’t do projects” we deliver platforms.
EXPERTS ONLY
We lead with our talent of “Experts Only” and develop a unique platform for each of our clients combining finance and operational data into an interactive BI Blend of dashboards and real-time analytics. Our firm has a single mission of 100% Customer Success that is directly aligned with the OneStream executive leadership.
WE GET IT
Multiple spreadsheets, difficulty preparing P&L statements, use the right tools for the right job. We know how to make OneStream work for users.
LONG-TERM COMMITMENT
Our unique customer success and user experience approach and long-term value optimization focus allows for the right combination of short-term optimization and long-term platform usage.

Join The Black Diamond Team

Please fill out the form and upload your resume. Someone from our team will be in touch to discuss current career opportunities.

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SHAUNA GOODSELL

Shauna offers over 17 years of functional and program leadership experience in national and international software implementations. She effectively managed and delivered over 20 complex performance management projects. She ensures client success by being a dedicated partner to the client. She believes successful projects are achieved based on frequent and concise communication, transparency, and discipline. .

Shauna’s Why:

I came to Black Diamond to be part of an “A” rated team. Where the leadership has a clear vision and aggressive strategy for the future and growth.

JASON KARBER

Jason is a Black Diamond practice manager. Over an 18 year career at Koch Industries, he ranged from transactional accounting and ledger ownership to complex consolidation and leadership roles at multiple business divisions and industries. He has reputation for customer focus and driving change. By writing the business case for OneStream and overseeing the replacement of legacy technology, he has coordinated entire organizations digital transformation. His customer spectrum includes finance staff, controllerships, information technology and C-Suite executives.

Jason’s Why:

“Helping people be more more effective with world class technology is very fulfilling.”

MIKE VANNONI

Mike uses his experience to guide clients through transformational OneStream projects. Mike is an energetic, entrepreneurial-minded individual known for his ability to partner, strategize, problem-solve and deliver. His 20 years of related work experience in a variety of industry verticals combined with excellent communication skills, strong business acumen and team approach are the foundation of his success at Black Diamond Advisory.

Mike’s Why:

When you’re finished changing, You’re finished.’ – Benjamin Franklin.

VINCENT VALENTINE

Vincent, Chartered Accountant and Solution Architect, specializes in OneStream encompassing enterprise. He focuses on performance management, consolidation, planning, strategic financial planning & EPM related integrations and architecture. He connects the world of Finance and IT to translate business needs into the methods of technologists. His diligent work ensures successful CPM/EPM implementations. Vincent’s hard work and enthusiasm delivers the highest quality results.

Vincent’s Why:

At Black Diamond, I get to help make our clients efficient. There are things that people do well, and yet others that computers do well. I strive to find the efficient balance.

JOE TOMLIN

Joe offers over 15 years of business and technical experience in financial consolidations and reporting. He identifies business processes requiring improvements from minor enhancements to a complete overhaul. His ability to think outside the box for a better solution delivers success. His expertise in consolidation and account reconciliations transports the client success to life when implementing OneStream.

Joe’s Why:

I came to Black Diamond to become a ‘doer of things that matter’, and to hold myself accountable for our customer’s successes.

MARK GOODMAN

Mark has 20+ years of experience in the EPM space specializing in consolidations working with OneStream, HFM, and FDM/FDMEE. He has a proven track record of blending finance and IT by combining Big Four auditing background with software programming skills. He has end to end experience including leading design sessions, metadata and rules build, mapping/data integration, knowledge transfer, reports build, end-user training, and post-go-live support.

Mark’s Why:

“Get busy living.. or get busy dying.” –Andy Dufresne – Shawshank Redemption

SHERRI SCHAFFROTH

Sherri brings over 20 years’ experience in strategic new business development, marketing, and sales of software and services in the Commercial and Government sectors. She is a Managing Partner of Black Diamond and a former Director of Sales and Marketing, serving several Alliance Partners for IBM, Oracle, and OneStream.

Prior to her Alliance experience, Sherri served on the Corporate Leadership Round Table, was consistently nominated to Elite President’s Club Membership, and was awarded a US Commercial Sales Innovation Award, as a result of accomplishments at SAS, IBM, and Oracle.

Sherri’s Why:

“Surround yourself with people who are smarter than you are.” – Henry Ford

“Seek first to understand.” – Steven Covey

RANDY WERDER

Randy brings over 30 years of business and industry experience to Black Diamond. He is a Co-Founder of Black Diamond. Formerly, Randy was the Managing Director of Alithya’s OneStream Practice. He was one of the original members of Ranzal & Associates where he served in many leadership roles including Southeast Planning & Essbase Leader for delivery and Managing Director of the Advisory Practice. As an implementation thought leader, Randy has guided over 150 global clients in re-engineering their outdated planning processes into industry-leading successful solutions.

Randy’s Why:

If you are not the lead dog, the view never changes.

Common sense is not that common.

CARL YOST

Carl brings more than 25 years of experience in business consulting to help clients transform their financial and business application processes. He is Co-Founder of Black Diamond and former Managing Principal of Grant Thornton’s Technology Solutions Practice. Prior to joining Grant Thornton, he was a partner and co-founder of MarketSphere Consulting, serving many leadership roles including chief operating officer and national industry leader. Having served organizations in multiple industries and varying sizes, Carl’s expertise in finance and operations has led him to develop best practices and thought leadership leveraged across several industries. Prior to founding MarketSphere, Carl was a Partner in the Enterprise Performance Management practice of Arthur Andersen and held senior finance executive positions at Motorola and Wyeth.

Carl’s Why:

Experts Only represent that our firm should be a destination employer – the best OneStream talent in the world will have a family and a home at Black Diamond.

We don’t implement projects; we deliver solution platforms.

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Black Diamond Advisory is committed to protecting and respecting your privacy, and we’ll only use your personal information to administer your account and to provide the products and services you requested from us. From time to time, we would like to contact you about our products and services, as well as other content that may be of interest to you. If you consent to us contacting you for this purpose, please tick below to say how you would like us to contact you:
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You can unsubscribe from these communications at any time. For more information on how to unsubscribe, our privacy practices, and how we are committed to protecting and respecting your privacy, please review our Privacy Policy.

By clicking submit above, you consent to allow Black Diamond Advisory to store and process the personal information submitted above to provide you the content requested.

Name*
First Last
Company Name*
Email*
Enter Email Confirm Email
Black Diamond Advisory is committed to protecting and respecting your privacy, and we’ll only use your personal information to administer your account and to provide the products and services you requested from us. From time to time, we would like to contact you about our products and services, as well as other content that may be of interest to you. If you consent to us contacting you for this purpose, please tick below to say how you would like us to contact you:
I agree to receive other communications from Black Diamond Advisory.
You can unsubscribe from these communications at any time. For more information on how to unsubscribe, our privacy practices, and how we are committed to protecting and respecting your privacy, please review our Privacy Policy.

By clicking submit above, you consent to allow Black Diamond Advisory to store and process the personal information submitted above to provide you the content requested.

Leadership Team

Randy Werder

Carl Yost

Sherri Schaffroth

Damon Mittleider

Mark Goodman

Mike Vannoni

Jason Karber

Vincent Valentine

Joe Tomlin

Shauna Goodsell

Canadian Leadership

Vincent Valentine

Ashwin Mathena

Jon Harvey

Jason Karber

OUR
COMMITMENT

NEW PARADIGM

SUBSCRIPTION SERVICE

PLATFORM THINKING

EXPERTS ONLY

WE GET IT

LONG-TERM COMMITMENT

Join The Black Diamond Team

Please fill out the form and upload your resume. Someone from our team will be in touch to discuss current career opportunities.

SHAUNA GOODSELL

JASON KARBER

MIKE VANNONI

VINCENT VALENTINE

JOE TOMLIN

MARK GOODMAN

SHERRI SCHAFFROTH

DAMON MITTLEIDER

RANDY WERDER

CARL YOST

Coming Soon...

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RANDY WERDER

Leadership Team

Randy Werder

Carl Yost

Sherri Schaffroth

Damon Mittleider

Mark Goodman

Mike Vannoni

Jason Karber

Vincent Valentine

Joe Tomlin

Shauna Goodsell

Canadian Leadership

Vincent Valentine

Ashwin Mathena

Jon Harvey

Jason Karber

OUR COMMITMENT

NEW PARADIGM

SUBSCRIPTION SERVICE

PLATFORM THINKING

EXPERTS ONLY

WE GET IT

LONG-TERM COMMITMENT

Join The Black Diamond Team

Please fill out the form and upload your resume. Someone from our team will be in touch to discuss current career opportunities.

OUR
COMMITMENT