Gregory Powell, PhD, oversees the Portfolio Management Team. Greg is the designated lead or co-lead Portfolio Manager on the firm’s core portfolios. In addition, he holds a position on Miller/Howard's Executive Committee. Greg joined Miller/Howard in 2017 and served as a portfolio manager and Deputy Chief Investment Officer. He was promoted to CIO in 2020, after the retirement of founder Lowell Miller. Prior to joining MHI, Greg had a distinguished 19-year career as a portfolio manager and director of research at AllianceBernstein. At AB, he managed a team of 12 analysts and a suite of products with $11 billion in AUM. He also served as head of fundamental value research there, redesigning the analyst role with an emphasis on investment success and training analysts in all aspects of the position. He holds a BA in Economics/Mathematics from the University of California Santa Barbara, and a PhD and MA in Economics from Northwestern University.
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John (Jack) E. Leslie III, CFA, focuses on diversified, dividend-paying stocks. He is a member of Miller/Howard's Board of Directors. Prior to joining Miller/Howard in 2004, Jack was a portfolio manager at Value Line Asset Management, M&T Capital Advisors Group (a division of M&T Bank Corp.), and Dewey Square Investors Corp. (now part of Old Mutual Asset Management). Jack earned his BS in Finance from Suffolk University and an MBA from Babson College.
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John R. Cusick, CFA, focuses on midstream energy including master limited partnerships (MLPs) and infrastructure companies. Before joining Miller/Howard in 2013, he was a senior vice president and research analyst at Wunderlich Securities Inc. in New York, covering energy including partnerships focused on natural gas, liquids, and exploration & production. Prior to that, John spent more than a decade at Oppenheimer & Co. beginning his career as a junior analyst on the energy team covering major oil companies, refiners, and exploration and production companies and then as a senior research analyst specializing in the midstream sector. He earned his BA in Finance and Marketing from Temple University, and an MBA in Finance from Fordham University School of Business in New York City.
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Michael Roomberg, CFA, focuses on diversified, dividend-paying stocks as well as the energy sector. In addition, he is involved in managing our closed-end fund, Miller/Howard High Income Equity Fund. Before joining Miller/Howard, Michael served as head of water/infrastructure equity research at Ladenburg Thalmann & Co. in New York City. Prior to that he served on Jefferies’ Industrials equity research team. Michael began his career as a research associate at Boenning & Scattergood Inc., a financial services firm in greater Philadelphia, where he specialized in energy exploration & production, and water utilities and industrials. Michael earned his BA in International Relations, Economics, and Finance from University of Wisconsin-Madison. He holds an MBA from the McDonough School of Business, Georgetown University.
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Adam Fackler, CFA, focuses on infrastructure companies including utilities, telecommunications, and midstream energy/master limited partnerships (MLPs). Prior to joining Miller/Howard in 2016, Adam spent 10 years in equity research, including five years at Rodman & Redshaw and KLR Group, focusing on MLPs, and at MLV & Co., covering exploration & production companies and MLPs. Adam holds a BS in Business Administration with a minor in Economics from Bucknell University.
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Owen D. Harvey focuses on diversified, dividend-paying stocks, as well as providing portfolio analytics to support marketing and client service efforts. Owen joined Miller/Howard in 2005 and was promoted to his current position in 2020. He works closely with the investment, marketing, and sales teams. Prior to joining Miller/Howard Investments, Owen spent seven years with Lazard Frères LLC in NYC, where he served as Technology Analyst before departing to attend graduate school. Post graduate school, Owen was an adjunct instructor at the State University of New York (SUNY) in New Paltz. He received a BA from Bennington College and an MFA from SUNY New Paltz.
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Mark Phillips, CFA, focuses on diversified, dividend-paying stocks, and he leads Miller/Howard's risk management efforts and quantitative portfolio analytics. Mark started in the financial services industry in 2012 as an investment analyst in Janney Montgomery Scott’s wealth management division in Philadelphia. Prior to that, he was a staff accountant at Danaher in Virginia. Mark earned a BS In Finance and a BA in Economics from Grove City College, in Pennsylvania. Full Bio (PDF)​

Nicole Lee provides operational and strategic leadership to Miller/Howard's ESG team. Nicole’s ESG research on portfolio holdings and candidates is integral to the firm’s investment process. Prior to joining the firm in 2014, she worked for several years as a clinic coordinator and educator for a nonprofit health organization, during which time she also developed and conducted training programs at two local universities. Nicole received a BS in Sociology from Southern Utah University, after which she studied public health at Westminster College in Utah.
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Brandon Galeano is responsible for fundamental stock research and reports, idea generation, and other portfolio management support. Brandon joined Miller/Howard's portfolio management team in 2019. Prior to joining Miller/Howard, Brandon worked as an investment management intern at The Colony Group in Babylon, NY and worked at ChangeSquare in London as a research analyst. Brandon earned a BS from Colgate University in Hamilton, NY, where he majored in Mathematical Economics.
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Luan Jenifer joined Miller/Howard Investments in 2002. Previously, Luan held several key leadership positions at the firm including Chief Operating Officer and Head of ESG. In her long-time work as Head of ESG, Luan was instrumental in expanding the scope and impact our environmental, social, and governance (ESG) program, which began over three decades ago. Luan is chair of the Executive Committee, and serves on Miller/Howard's Board of Directors, Corporate Governance and Nominating Committee, and Compensation Committee. As an avid supporter of local community organizations, Luan created the firm’s volunteer time off program. Luan holds a BS from Marist College.
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Gregory Powell, PhD, oversees the Portfolio Management Team. Greg is the designated lead or co-lead Portfolio Manager on the firm’s core strategies. In addition, he holds a position on Miller/Howard's Executive Committee. Greg joined Miller/Howard in 2017 and served as a portfolio manager and Deputy Chief Investment Officer. He was promoted to CIO in 2020, after the retirement of founder Lowell Miller. Prior to joining MHI, Greg had a distinguished 19-year career as a portfolio manager and director of research at AllianceBernstein. At AB, he managed a team of 12 analysts and a suite of products with $11 billion in AUM. He also served as head of fundamental value research there, redesigning the analyst role with an emphasis on investment success and training analysts in all aspects of the position. He holds a BA in Economics/Mathematics from the University of California Santa Barbara, and a PhD and MA in Economics from Northwestern University.
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Brian Helhoski is responsible for the firm’s financial reporting and is the CFO of Miller/Howard Funds Trust and High Income Equity Fund. Brian is also a member of Miller/Howard's Executive Committee. Before being appointed CFO of Miller/Howard, he was the firm’s controller. Brian brings with him more than 30 years’ experience in accounting and finance in both public and private enterprises. Prior to joining Miller/Howard in 2016, he held several accounting positions at KPMG, Iron Mountain Inc., and Besicorp. Most recently he served as controller for SunWize Technologies/EcoClean Solar in Kingston, New York, where he was responsible for accounting, financial reporting, credit management, and financial controls. Brian holds a BS in Accounting from the University of Virginia.
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Charles Atkins, CIPM, was promoted to his current position in 2018. Previously, he served as Director of Performance and Data Analytics, responsible for the accountability and accuracy of all Miller/Howard performance and data, as well as GIPS reporting and audits. Charles is also a member of Miller/Howard's Executive Committee. Prior to joining the firm, Charles worked for 10 years at Prime Capital Services Inc., a FINRA-registered broker/dealer, where his chief responsibilities as compliance officer/branch examiner involved oversight of compliance programs across 95 branches nationwide, compliance training for registered representatives, annual anti-money-laundering audits, and support for multiple FINRA and SEC examinations. He majored in Facilities Engineering at State University of New York Maritime College in Bronx, NY.
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Catherine Johnston, CFA, is responsible for oversight of Miller/Howard's sales and marketing departments. She also serves on Miller/Howard's Executive Committee and as president and trustee of the Miller/Howard High Income Equity Fund. Prior to her promotion to Chief Marketing Officer, Catherine was a portfolio specialist at the firm, where she acted as liaison between the investment team and the sales and marketing teams. Before joining Miller/Howard in 2016, she worked as a portfolio analyst at AllianceBernstein LP in New York. Catherine received her BA with a double major in Mathematics and Psychology from Hamilton College, Clinton, NY.
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Eva Horowitz held the role of Director of Trading and Operations until being promoted to her current position in 2020. She is responsible for oversight of all aspects of Miller/Howard's operations, including trading and operations, portfolio accounting, and reporting. Eva currently serves on Miller/Howard's Board of Directors, on the Executive Committee, on the Corporate Governance and Nominating Committee, and as the secretary of the Miller/Howard High Income Equity Fund. Prior to joining the firm in 2004, she worked as an independent accountant for nearly 25 years and as a financial advisor for Raymond James Financial Services and for Lloyd Scott & Valenti. Eva holds an Associate's Degree in Accounting from SUNY, Ulster.
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Catherine Johnston, CFA, is responsible for oversight of Miller/Howard's sales and marketing departments. She also serves on Miller/Howard's Executive Committee and as president and trustee of the Miller/Howard High Income Equity Fund. Prior to her promotion to Chief Marketing Officer, Catherine was a portfolio specialist at the firm, where she acted as liaison between the investment team and the sales and marketing teams. Before joining Miller/Howard in 2016, she worked as a portfolio analyst at AllianceBernstein LP in New York. Catherine received her BA with a double major in Mathematics and Psychology from Hamilton College, Clinton, NY.
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Timothy Mack is responsible for national accounts and relationship management. In his previous role, Tim was a relationship associate, working in sales and client service, database maintenance and reporting, and project assistance. Prior to joining Miller/Howard in 2013, Tim worked in small business operations, bookkeeping, office management, and commercial website construction. He majored in music theory and composition at Catawba College in Salisbury, North Carolina.
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Scott Mardy, CFA, is responsible for client service and sales in the western territory. Prior to joining Miller/Howard, Scott was VP, Regional Director at Dimensional Fund Advisors, working with financial advisors in the upper Midwest, and previously held the role of VP, Investment Strategist. Prior to Dimensional, he led third-party investment manager selection and research at Sontag Advisory, LLC as a Senior Investment Analyst. Scott received his MBA in finance and economics from Columbia Business School in New York, NY and his AB in art and archaeology from Princeton University in Princeton, NJ.
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Andrew Schiavoni is responsible for client service and sales in the eastern territory. Prior to joining Miller/Howard, Andrew was Director of Business Development at Impax Asset Management, working with financial advisors at wire houses, RIAs, family offices, and independent broker-dealers. He also held a variety of roles at Impax since 2015 and worked at Putnam Investments prior. Andrew received his BS in economics from Purdue University, West Lafayette, IN.
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Judd Peterson is responsible for sales and client service, database maintenance and reporting, and project assistance. Judd joined Miller/Howard in 2011, and he brings deep knowledge and experience to the sales team. Judd has more than 30 years of financial industry experience, working with firms such as John G. Kinnard, Dain Bosworth (now part of Royal Bank of Canada), and RBC. Judd has a BA in Economics and Sociology from the University of Minnesota.
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Mark Bolter rejoined Miller/Howard in 2023 and provides sales support across the US. Previously, Mark worked at Focus Distribution, a third-party sales and distribution company for asset managers. From 2007 to 2016, Mark was a member of Miller/Howard's sales team in various roles. Mark has also worked in the oil & gas industry, as a mortgage consultant, and in the executive recruitment field specializing in top-bracket national executive searches.
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Eva Horowitz held the role of Director of Trading and Operations until being promoted to her current position in 2020. She is responsible for oversight of all aspects of Miller/Howard's operations, including trading and operations, portfolio accounting, and reporting. Eva currently serves on Miller/Howard's Board of Directors, on the Executive Committee, on the Corporate Governance and Nominating Committee, and as the secretary of the Miller/Howard High Income Equity Fund. Prior to joining the firm in 2004, she worked as an independent accountant for nearly 25 years and as a financial advisor for Raymond James Financial Services and for Lloyd Scott & Valenti. Eva holds an Associate's Degree in Accounting from SUNY, Ulster.
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Olga Diatchkovski focuses on all facets of trading and the oversight of all cash flows. Olga joined Miller/Howard in 2001, working in the operations/account management department for several years with senior trading responsibilities until her promotion to her current position in 2015. Before coming to the US from her native Russia, Olga worked as an accountant at the Moscow Economic Statistical Institute, as a political economics professor at the Moscow Power Engineering Institute, and an economist in a Moscow-based production company. She received a Master’s Degree in Economics from the Moscow University.
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Alicia Carbone handles corporate actions processing, institutional and wrap account administration, and client service. She also provides support for trading, sales, and portfolio management. Alicia joined the firm in 2007, and worked in marketing and operations until she was promoted to her current position in 2012. Alicia received a BA in Psychology with a minor in Mathematics and Women’s Studies from State University of New York, Albany.
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Meredith Palin is responsible for direct client service, data management, account maintenance, reporting, and reconciliation. She has been with the firm since 2012. Meredith has extensive administrative management experience working with businesses in New York, Colorado, and in France. She holds a BA in Government at Colby College in Waterville, Maine, and an MFA in Costume Design at Yale University School of Drama.
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Alysia Silipo handles new accounts, back office processing, cash flow, and settlement reconciliation. Before coming to Miller/Howard in 2013, she served as vice president at an electronics company. Prior to that, she worked at Liz Claiborne for eight years as a senior merchandiser, and later as director of licensing. Alysia earned her AAS degree from Fashion Institute of Technology, New York City.
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Anthony Tonelli joined the firm in 2018. In August 2021, he was promoted to the Trading and Operations Team, and is responsible for all aspects of trading. Prior, Anthony was an Internal Representative, providing sales, client service, and marketing support. He has a BS in International Business from the State University of New York, New Paltz.
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Luan Jenifer joined Miller/Howard Investments in 2002. Previously, Luan held several key leadership positions at the firm including Chief Operating Officer and Head of ESG. In her long-time work as Head of ESG, Luan was instrumental in expanding the scope and impact our environmental, social, and governance (ESG) program, which began over three decades ago. Luan is chair of the Executive Committee, and serves on Miller/Howard's Board of Directors, Corporate Governance and Nominating Committee, and Compensation Committee. As an avid supporter of local community organizations, Luan created the firm’s volunteer time off program. Luan holds a BS from Marist College.
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Nicole Lee provides operational and strategic leadership to Miller/Howard's ESG team. Nicole’s ESG research on portfolio holdings and candidates is integral to the firm’s investment process. Prior to joining the firm in 2014, she worked for several years as a clinic coordinator and educator for a nonprofit health organization, during which time she also developed and conducted training programs at two local universities. Nicole received a BS in Sociology from Southern Utah University, after which she studied public health at Westminster College in Utah.
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Patricia Karr Seabrook is involved in ESG research, engagement, and proxy voting. She collaborates closely with investor networks, such as Ceres and the Interfaith Center on Corporate Responsibility. Prior to joining Miller/Howard in 2007, she worked as a legal assistant in the corporate department of Wachtell, Lipton, Rosen & Katz. Patricia received an associate degree in Business from the Chicago College of Commerce.
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Daniel Lee is involved in the ESG research and screening, and serves as the point person for shareholder engagements. Daniel also provides support to the firm’s data team. Before joining Miller/Howard in 2016, he studied mathematics and worked as an auditor for the Marriott in Lake Tahoe, California.
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