Regional Directors

Connect with a Regional Director, supercharge your local network and stay up-to-date with regional events and programmes.


Chief of Staff Association Regional Directors are located in cities across Africa, Australia, Singapore, India, Mexico, Puerto Rico, Europe and the United States.

All Regional Directors are current members of The Chief of Staff Association who have demonstrated a high level of community engagement and an outstanding commitment to growing the chief of staff profession.


Eastern Africa

Mr Laban Cliff
Chief of Staff
Standard Group PLC

Laban-Cliff Onserio is the Chief of Staff for the Group CEO at Standard Media Group in Kenya. He previously worked at Kenya’s Office of the President in the President’s Delivery Unit, a government project execution arm supported by the Tony Blair Institute for Global Change. He worked at General Electric Africa as a management trainee to help the conglomerate establish Nairobi as its African headquarters. Laban Cliff is also a news anchor on KTN News and has interviewed Africa’s business and government leaders on CNBC Africa and Nation Media Group, East Africa’s Largest integrated media house. In 2012, He was named Africa’s Best New Comer in business journalism at the Diageo Africa Awards held in London.

Southern Africa

Mr Andrew Likaka

Malawi Ministry of Health and Population

Andrew Likaka is a Medical Doctor and Global Health Specialist with over seventeen years of experience in managing health systems, hospital administration, quality management and digital health services in Malawi. He is an advisor to several international health agencies on topics including  health systems, quality of care and digital health. Andrew has spearheaded several diplomatic collaborations with various governments and has advised high-profile government officials, including Presidents in Malawi. Andrew has several publications in reputable academic and peer-reviewed journals. He is a recipient of the Australian Leadership Award (ALA).



Maurizio Malone
Chief Of Staff
SEC Newgate SpA

Italy’s only global advocacy and communication advisor in the top 30 rankings. Maurizio supports the CEO in building solid processes and a common culture across 15 countries spread across 5 continents to align a team of over 800 professionals globally. Previously, Maurizio was a senior PR advisor and VP of SEC and Partners, a Rome based subsidiary of  SEC Newgate SpA. He started his career working for an independent PR firm in sustainability and environmental communications for an independent PR firm based in Italy and later as part of WPP Group. He is part of the EMEA pool of experts on crisis management for Hill & Knowlton and has taught crisis management at Luiss Business School and Link Campus University in Rome. Maurizio holds a cum laude Master’s degree in Journalism and Communications and Bachelor’s degree in Politics and Economics. 


Rodolfo C. Rivas
Chief of Staff, WTO Affairs
Mission of Israel to the WTO

With 18+ years’ experience in the public and private sectors, Rodolfo is an expert in legal advice, negotiation, public policy, government relations and business. As a frontline negotiator, he’s negotiated the Trade Facilitation Agreement, expected to produce accrued global benefits of over US$1 trillion a year; the revised Government Procurement Agreement, with a market access coverage valued at US$100 billion p/ year; and the expansion of the Information Technology Agreement, with an estimated value of $1.3 trillion in added global trade p/ year. He’s the creator, producer, and host of The Rodolfo Rivas Project podcast, ranked amongst the top 10% worldwide with 100K+ downloads. He holds an LL.M. degree from Stanford Law School, Universitat d’Alacant, a law degree from Universidad Panamericana, and an MBA from the University of London.


Shaan Archer
Chief Of Staff

With an extraordinary level of experience and an impressive background for his age, Shaan started his career in the British military and developed into the intelligence sector. He supported former Mayor of London, Boris Johnson, in the Mayor’s office flagship Equality, Diversity and Inclusion project before moving into operations. Specialising in operations, he took his first placement as Chief of Staff for a prominent member of a Royal Family before embarking on his journey to help start-ups in Sweden. Shaan is a career Chief of Staff and is involved in multiple projects across Sweden and abroad. A proud business consultant and advocate for the Chief of Staff role within the private sector, Shaan has helped build organisation structures, support board development, and lead fundraising initiatives.

Indo-Pacific & Oceania


Mr Christos Gatsios
Senior Trade Manager, Prof. Services
Global Victoria

Christos has a passion for helping local businesses go global. At Global Victoria, the Victorian Government’s trade agency, he helps businesses grow across international markets and promotes the State’s world-class industry capabilities. He leads the professional services sector portfolio, with a special focus on FinTech and CleanTech exports. He has extensive experience across the public sector, including three think tanks and local, state, and central governments across the UK and Australia. He was previously deputy chief of staff to a local government leader in London.


Mr Ravi Nandan Sinha
Director of Development
MSME Business Forum India

Ravi has 25+ years of corporate experience in diversified industries from agriculture to BFSI to management consulting. Ravi has worked closely in promoting the Indian Government’s “Make in India” venture. He interacts with heads of state to encourage knowledge transfer and trade cooperation for Indian MSMEs. He was selected to join an international delegation for a study tour of MSME industries and the scaling-up model. In his current role as Board Member and Director, he and his team work towards transforming Indian MSMEs.


Mr Dennis Wei Song Poh
Founder and CEO

Mr. Dennis Poh is the founder and Chief Executive Officer of Legatcy. His mission is to professionalize advisory services for start-ups and SMEs across Asia. Since launch, his organisation has assisted several start-ups with their due diligence and completion for their Seed to Series B fundraising and exits. With a decade’s experience in Asia’s start-up space, Dennis has an extensive network and knowledge of disruptive ventures. Dennis is a strong advocate for the chief of staff role and is passionate about growing its impact and influence in Singapore.

Latin America


Santiago Perez Teuffer
Founder and CEO
Cerralvo Capital

Santiago serves on the Board of The Chief of Staff Association. He wields a strong Latin-American network and has diverse business experiences, particularly in relations between Latin America and the United States. Santiago has an extensive banking career, and after pursuing his graduate studies at Stanford, went back to Mexico to pursue an entrepreneurial career in the energy industry. Santiago has a Master’s degree in Energy from the Stanford School of Energy, and an MBA from the Stanford Graduate School of Business (GSB). He now resides in Mexico City, Mexico.

Puerto Rico

Lori Corpuz
Chief of Staff
NFT Oasis

Lori Corpuz works as Chief of Staff and Strategy at NFT Oasis, a metaverse platform that fuels the web3 decentralized creator economy, and invests personally. She has supported US$220M+ in fundraising for Silicon Valley and crypto startups since 2017. She started her career at JP Morgan Asset Management, evolved to support Strategy & Capital Formation in crypto across VC, Investment Banking, and Hedge Funds. She lives in Puerto Rico and spends her time training for triathlons and learning to kiteboard, voraciously reading and mentoring young women.

United States

Denver, CO

Diana Barlow
Chief of Staff


Diana Barlow resides in Denver, Colorado and currently works as Chief of Staff and Director of Program Management for Celerium, a small cyber security and defense company based in California. Diana has been a member of The Chief of Staff Association since June 2021 and assumed her chief of staff role in 2019. Additionally, she has 18 years of experience in program and project management, operations and professional services leadership. Diana has a Master’s degree in Forensic Science from the George Washington University. In her spare time, Diana enjoys horseback riding, hiking, fitness, reading and baking.

Los Angeles, CA

Stacy Pavlovich
Chief of Staff, National Health Ops.
Kaiser Permanente

Stacy is a chief of staff at Kaiser Permanente, one of America’s leading health care providers and nonprofit health plans, serving 12.5M members in 8 states through its 300k employees and physicians. Stacy a seasoned leader with excellent organization, communication, executive and collaborative skills that promote a broad range of responsibilities essential to efficient operations and delivery on critical goals. She consistently demonstrates good judgement, creativity, respect, and good humor. Stacy is a proud member of the CSA and an alumna of the inaugural COS Executive Education Programme at Oxford’s Saïd Business School.

Miami, FL

Micha Dubernard
EVP & Chief of Staff
ESJ Capital Partners

Micha is a career EVP Chief of Staff, currently working for a private equity and real estate investment firm in Florida. Between 2004 and 2015, he was Director of two UHNWI’s family offices’ with a diversified portfolio of investments and operating companies. In 2006, Micha founded the “Miami Economic Club”, a business club featuring speakers such as CEOs of multi-billion dollar companies, U.S. officials and leaders, where they come together to foster economic cooperation and growth. Prior to moving to the US in 2004, Micha lived in Paris, and worked as a Project Manager for the Banque de France.

New York, NY

Mr Joseph Sciortino
Chief of Staff

Joseph Sciortino is the Chief of Staff for FEMA (Federal Emergency Management Agency) Region II. He leads the Region’s executive team to advance FEMA’s mission of helping people before, during and after disasters. Prior to FEMA, Joe served as the Chief of Staff at the New York State Governor’s Office of Storm Recovery, assisting with leading the implementation of the State Recovery programs for its Post-Sandy Recovery.  Joe was also the Chief of Staff to Staten Island Borough President. Lastly, at Borough Hall, he worked on the City & State’s Hurricane Sandy response and recovery team, collaborating with various U.S. Federal agencies. Before Government Service Joe worked at St. John’s University in The School of Education’s Undergraduate Office and as an Adjunct Professor, teaching the Adolescent Learning & Development undergraduate class. Joe is a proud St. John alumnus, holding a BA in Adolescent Education (7th–12th) and Italian Language & Literature, and a Master’s degree in Global Development & Social Justice.

San Francisco, CA

Erin Bricker
Chief of Staff, External Relations & Communications
University of California

Erin Bricker is the Chief of Staff for External Relations and Communications at University of California, which serves over 280,000 students statewide. In this role, Erin works alongside the Senior Vice President to guide strategy, development, and execution of the division’s communications and government relations work to elevate, support, and advance the university. Prior to her current role, Erin held positions as Executive Advisor to the UC Board of Regents, Public Information Officer and Chief of Staff at Santa Rosa Junior College, COO of a construction materials company, and manager of an international freediving company. She is a competitive freediver, held six US national records, coached numerous athletes to national and world records, and trained over 1,000 students in the sport. Erin is currently pursuing a doctorate in organizational change and leadership at the University of Southern California and in her free time, Erin enjoys fitness, travelling, diving, competing in adventure races, and camping.

Washington D.C.

Mr Drew Davis
Chief of Staff
US Government

Drew is a Deputy Director in the intelligence arena. With 11 years of Government service and tours in The White House Situation Room and National Counterterrorism Center, he has provided executive support to several Cabinet-level officials. Mr. Davis is an Enterprise-minded national security specialist with a strong focus on interagency collaboration, strategic policy formulation, resource allocation, and risk calculation. He and his wife own and operate MAI Properties LLC, a real estate investment company focused on multifamily properties. Drew previously managed a foreign affairs policy institute, a large resort and served as a police officer. He received his BA in politics and government, world religions, and national security studies from Ripon College; his Master’s degree in international affairs, with concentrations in intelligence and national security law from Texas A&M.  He’s a proud graduate of the Chief of Staff Executive Education Program at Oxford. Drew has two kids and enjoys skiing, golfing, martial arts, and traveling with his family.

Philadelphia, PA

Crystal Y. Miller
Vice President, Medicare Advantage

Crystal resides in the western suburbs of Philadelphia, Pennsylvania, where she works from home as the Vice President, Medicare Advantage for ilumivu, a technology company delivering predictive and personalized interventions to keep customers healthy and prevent surprise events. Prior to joining ilumivu, Crystal served as Chief of Staff in the Medicare Performance Office at Cigna, a health insurance company, where she directed strategic initiatives to shape and guide the growth, development, and performance of the business. Crystal’s nearly two decade career has been focused on enabling individuals to lead their healthiest lives by removing barriers to effective and efficient care. In addition to being a member of the Chief of Staff Association since 2021, Crystal is also actively involved in her local choir, run club, township zoning board, and homeowners association. Crystal holds a JD and LLM from Temple University and masters and bachelors degrees from the University of Alabama.

Boston, MA

Ulrike Klein
Chief of Staff
Rafanelli Events

Ulrike (Ulli) Klein is the Chief of Staff at Rafanelli Events Management. After over 15 years working in finance and biotech, Ulli recently took the leap into a new industry bringing her experience as a Chief of Staff to the elite event management sector. Rafanelli offers wedding, corporate and nonprofit events management services and has offices in Boston, New York and Palm Beach. At Rafanelli Events, Ulli supports the founder in the operational and strategic growth of the company.  Ulli has 14+ years of experience scaling businesses for success through strategic planning, human resources administration, infrastructure planning, and project management. She’s even been described as the “Chief Fun Officer”.  Early in her career, Ulli worked as a journalist – an experience that forever imprinted her with a love for a fast pace, unpredictable, multi-tasking work environment. Ulli holds a BA in Public Relations and an MA in Communications from Hawaii Pacific University as well as a Certificate in Management and Leadership from Boston University.

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